Home / 5,425.35-7,484.10-3,657.53

Finding the Fourth Proportional to 5,425.35, 7,484.10 and 3,657.53

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Solution

The fourth proportional to 5,425.35, 7,484.10 and 3,657.53 is: 5,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.35 : 7,484.10 = 3,657.53 : x
  2. Step 2: Convert to fraction form
    5,425.35/7,484.10 = 3,657.53/x
  3. Step 3: Cross multiply
    5,425.35x = 7,484.10 × 3,657.53
  4. Step 4: Simplify right side
    5,425.35x = 27,373,282.85
  5. Step 5: Solve for x
    x = 27,373,282.85/5,425.35
  6. Step 6: Final answer
    x = 5,045.44

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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.