Home / 2,711.96-3,742.90-2,545.16

Finding the Fourth Proportional to 2,711.96, 3,742.90 and 2,545.16

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Solution

The fourth proportional to 2,711.96, 3,742.90 and 2,545.16 is: 3,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.96 : 3,742.90 = 2,545.16 : x
  2. Step 2: Convert to fraction form
    2,711.96/3,742.90 = 2,545.16/x
  3. Step 3: Cross multiply
    2,711.96x = 3,742.90 × 2,545.16
  4. Step 4: Simplify right side
    2,711.96x = 9,526,279.36
  5. Step 5: Solve for x
    x = 9,526,279.36/2,711.96
  6. Step 6: Final answer
    x = 3,512.69

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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.