Home / 3,359.12-4,636.50-2,180.12

Finding the Fourth Proportional to 3,359.12, 4,636.50 and 2,180.12

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Solution

The fourth proportional to 3,359.12, 4,636.50 and 2,180.12 is: 3,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.12 : 4,636.50 = 2,180.12 : x
  2. Step 2: Convert to fraction form
    3,359.12/4,636.50 = 2,180.12/x
  3. Step 3: Cross multiply
    3,359.12x = 4,636.50 × 2,180.12
  4. Step 4: Simplify right side
    3,359.12x = 10,108,126.38
  5. Step 5: Solve for x
    x = 10,108,126.38/3,359.12
  6. Step 6: Final answer
    x = 3,009.16

Related Problems

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Half scale
Find fourth proportional to 6,718.24, 9,273 and 4,360.24
Double scale
Find fourth proportional to 3,360.12, 4,637.88 and 2,181.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.