Home / 2,132.52-2,942.13-1,248.24

Finding the Fourth Proportional to 2,132.52, 2,942.13 and 1,248.24

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Solution

The fourth proportional to 2,132.52, 2,942.13 and 1,248.24 is: 1,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.52 : 2,942.13 = 1,248.24 : x
  2. Step 2: Convert to fraction form
    2,132.52/2,942.13 = 1,248.24/x
  3. Step 3: Cross multiply
    2,132.52x = 2,942.13 × 1,248.24
  4. Step 4: Simplify right side
    2,132.52x = 3,672,484.35
  5. Step 5: Solve for x
    x = 3,672,484.35/2,132.52
  6. Step 6: Final answer
    x = 1,722.13

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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.