Home / 2,711.48-3,742.14-1,516.90

Finding the Fourth Proportional to 2,711.48, 3,742.14 and 1,516.90

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Solution

The fourth proportional to 2,711.48, 3,742.14 and 1,516.90 is: 2,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.48 : 3,742.14 = 1,516.90 : x
  2. Step 2: Convert to fraction form
    2,711.48/3,742.14 = 1,516.90/x
  3. Step 3: Cross multiply
    2,711.48x = 3,742.14 × 1,516.90
  4. Step 4: Simplify right side
    2,711.48x = 5,676,452.17
  5. Step 5: Solve for x
    x = 5,676,452.17/2,711.48
  6. Step 6: Final answer
    x = 2,093.49

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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.