Home / 2,517.04-3,772.80-1,057.12

Finding the Fourth Proportional to 2,517.04, 3,772.80 and 1,057.12

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Solution

The fourth proportional to 2,517.04, 3,772.80 and 1,057.12 is: 1,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.04 : 3,772.80 = 1,057.12 : x
  2. Step 2: Convert to fraction form
    2,517.04/3,772.80 = 1,057.12/x
  3. Step 3: Cross multiply
    2,517.04x = 3,772.80 × 1,057.12
  4. Step 4: Simplify right side
    2,517.04x = 3,988,302.34
  5. Step 5: Solve for x
    x = 3,988,302.34/2,517.04
  6. Step 6: Final answer
    x = 1,584.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.