Home / 3,711.46-5,121.67-2,032.80

Finding the Fourth Proportional to 3,711.46, 5,121.67 and 2,032.80

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Solution

The fourth proportional to 3,711.46, 5,121.67 and 2,032.80 is: 2,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.46 : 5,121.67 = 2,032.80 : x
  2. Step 2: Convert to fraction form
    3,711.46/5,121.67 = 2,032.80/x
  3. Step 3: Cross multiply
    3,711.46x = 5,121.67 × 2,032.80
  4. Step 4: Simplify right side
    3,711.46x = 10,411,330.78
  5. Step 5: Solve for x
    x = 10,411,330.78/3,711.46
  6. Step 6: Final answer
    x = 2,805.18

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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.