Home / 4,132.77-5,700.40-2,640.03

Finding the Fourth Proportional to 4,132.77, 5,700.40 and 2,640.03

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Solution

The fourth proportional to 4,132.77, 5,700.40 and 2,640.03 is: 3,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.77 : 5,700.40 = 2,640.03 : x
  2. Step 2: Convert to fraction form
    4,132.77/5,700.40 = 2,640.03/x
  3. Step 3: Cross multiply
    4,132.77x = 5,700.40 × 2,640.03
  4. Step 4: Simplify right side
    4,132.77x = 15,049,209.72
  5. Step 5: Solve for x
    x = 15,049,209.72/4,132.77
  6. Step 6: Final answer
    x = 3,641.43

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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.