Home / 4,143.14-5,720.16-2,572.15

Finding the Fourth Proportional to 4,143.14, 5,720.16 and 2,572.15

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Solution

The fourth proportional to 4,143.14, 5,720.16 and 2,572.15 is: 3,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.14 : 5,720.16 = 2,572.15 : x
  2. Step 2: Convert to fraction form
    4,143.14/5,720.16 = 2,572.15/x
  3. Step 3: Cross multiply
    4,143.14x = 5,720.16 × 2,572.15
  4. Step 4: Simplify right side
    4,143.14x = 14,713,104.89
  5. Step 5: Solve for x
    x = 14,713,104.89/4,143.14
  6. Step 6: Final answer
    x = 3,551.19

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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.