Home / 2,591.10-3,575.70-1,471.95

Finding the Fourth Proportional to 2,591.10, 3,575.70 and 1,471.95

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Solution

The fourth proportional to 2,591.10, 3,575.70 and 1,471.95 is: 2,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.10 : 3,575.70 = 1,471.95 : x
  2. Step 2: Convert to fraction form
    2,591.10/3,575.70 = 1,471.95/x
  3. Step 3: Cross multiply
    2,591.10x = 3,575.70 × 1,471.95
  4. Step 4: Simplify right side
    2,591.10x = 5,263,251.62
  5. Step 5: Solve for x
    x = 5,263,251.62/2,591.10
  6. Step 6: Final answer
    x = 2,031.28

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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.