Home / 3,312.02-4,568.18-1,985.24

Finding the Fourth Proportional to 3,312.02, 4,568.18 and 1,985.24

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Solution

The fourth proportional to 3,312.02, 4,568.18 and 1,985.24 is: 2,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.02 : 4,568.18 = 1,985.24 : x
  2. Step 2: Convert to fraction form
    3,312.02/4,568.18 = 1,985.24/x
  3. Step 3: Cross multiply
    3,312.02x = 4,568.18 × 1,985.24
  4. Step 4: Simplify right side
    3,312.02x = 9,068,933.66
  5. Step 5: Solve for x
    x = 9,068,933.66/3,312.02
  6. Step 6: Final answer
    x = 2,738.19

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Half scale
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Double scale
Find fourth proportional to 3,313.02, 4,569.56 and 1,986.24
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.