Home / 5,503.20-7,592.70-3,144.90

Finding the Fourth Proportional to 5,503.20, 7,592.70 and 3,144.90

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Solution

The fourth proportional to 5,503.20, 7,592.70 and 3,144.90 is: 4,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.20 : 7,592.70 = 3,144.90 : x
  2. Step 2: Convert to fraction form
    5,503.20/7,592.70 = 3,144.90/x
  3. Step 3: Cross multiply
    5,503.20x = 7,592.70 × 3,144.90
  4. Step 4: Simplify right side
    5,503.20x = 23,878,282.23
  5. Step 5: Solve for x
    x = 23,878,282.23/5,503.20
  6. Step 6: Final answer
    x = 4,338.98

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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.