Home / 2,720.17-3,757.35-2,013.46

Finding the Fourth Proportional to 2,720.17, 3,757.35 and 2,013.46

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Solution

The fourth proportional to 2,720.17, 3,757.35 and 2,013.46 is: 2,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.17 : 3,757.35 = 2,013.46 : x
  2. Step 2: Convert to fraction form
    2,720.17/3,757.35 = 2,013.46/x
  3. Step 3: Cross multiply
    2,720.17x = 3,757.35 × 2,013.46
  4. Step 4: Simplify right side
    2,720.17x = 7,565,273.93
  5. Step 5: Solve for x
    x = 7,565,273.93/2,720.17
  6. Step 6: Final answer
    x = 2,781.18

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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.