Home / 3,080.10-4,246.62-2,240.12

Finding the Fourth Proportional to 3,080.10, 4,246.62 and 2,240.12

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Solution

The fourth proportional to 3,080.10, 4,246.62 and 2,240.12 is: 3,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.10 : 4,246.62 = 2,240.12 : x
  2. Step 2: Convert to fraction form
    3,080.10/4,246.62 = 2,240.12/x
  3. Step 3: Cross multiply
    3,080.10x = 4,246.62 × 2,240.12
  4. Step 4: Simplify right side
    3,080.10x = 9,512,938.39
  5. Step 5: Solve for x
    x = 9,512,938.39/3,080.10
  6. Step 6: Final answer
    x = 3,088.52

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Half scale
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Double scale
Find fourth proportional to 3,081.10, 4,248 and 2,241.12
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.