Home / 2,711.52-3,732.48-2,378.40

Finding the Fourth Proportional to 2,711.52, 3,732.48 and 2,378.40

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Solution

The fourth proportional to 2,711.52, 3,732.48 and 2,378.40 is: 3,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.52 : 3,732.48 = 2,378.40 : x
  2. Step 2: Convert to fraction form
    2,711.52/3,732.48 = 2,378.40/x
  3. Step 3: Cross multiply
    2,711.52x = 3,732.48 × 2,378.40
  4. Step 4: Simplify right side
    2,711.52x = 8,877,330.43
  5. Step 5: Solve for x
    x = 8,877,330.43/2,711.52
  6. Step 6: Final answer
    x = 3,273.93

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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.