Home / 5,340.35-7,373.12-3,454.83

Finding the Fourth Proportional to 5,340.35, 7,373.12 and 3,454.83

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Solution

The fourth proportional to 5,340.35, 7,373.12 and 3,454.83 is: 4,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.35 : 7,373.12 = 3,454.83 : x
  2. Step 2: Convert to fraction form
    5,340.35/7,373.12 = 3,454.83/x
  3. Step 3: Cross multiply
    5,340.35x = 7,373.12 × 3,454.83
  4. Step 4: Simplify right side
    5,340.35x = 25,472,876.17
  5. Step 5: Solve for x
    x = 25,472,876.17/5,340.35
  6. Step 6: Final answer
    x = 4,769.89

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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.