Home / 5,445.59-7,518.76-4,251.92

Finding the Fourth Proportional to 5,445.59, 7,518.76 and 4,251.92

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Solution

The fourth proportional to 5,445.59, 7,518.76 and 4,251.92 is: 5,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.59 : 7,518.76 = 4,251.92 : x
  2. Step 2: Convert to fraction form
    5,445.59/7,518.76 = 4,251.92/x
  3. Step 3: Cross multiply
    5,445.59x = 7,518.76 × 4,251.92
  4. Step 4: Simplify right side
    5,445.59x = 31,969,117.80
  5. Step 5: Solve for x
    x = 31,969,117.80/5,445.59
  6. Step 6: Final answer
    x = 5,870.65

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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.