Home / 1,877.91-2,591.73-1,132.23

Finding the Fourth Proportional to 1,877.91, 2,591.73 and 1,132.23

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Solution

The fourth proportional to 1,877.91, 2,591.73 and 1,132.23 is: 1,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.91 : 2,591.73 = 1,132.23 : x
  2. Step 2: Convert to fraction form
    1,877.91/2,591.73 = 1,132.23/x
  3. Step 3: Cross multiply
    1,877.91x = 2,591.73 × 1,132.23
  4. Step 4: Simplify right side
    1,877.91x = 2,934,434.46
  5. Step 5: Solve for x
    x = 2,934,434.46/1,877.91
  6. Step 6: Final answer
    x = 1,562.61

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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.