Home / 5,219.52-7,202.88-3,123.24

Finding the Fourth Proportional to 5,219.52, 7,202.88 and 3,123.24

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Solution

The fourth proportional to 5,219.52, 7,202.88 and 3,123.24 is: 4,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.52 : 7,202.88 = 3,123.24 : x
  2. Step 2: Convert to fraction form
    5,219.52/7,202.88 = 3,123.24/x
  3. Step 3: Cross multiply
    5,219.52x = 7,202.88 × 3,123.24
  4. Step 4: Simplify right side
    5,219.52x = 22,496,322.93
  5. Step 5: Solve for x
    x = 22,496,322.93/5,219.52
  6. Step 6: Final answer
    x = 4,310.04

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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.