Home / 4,909.52-7,356.96-4,202.96

Finding the Fourth Proportional to 4,909.52, 7,356.96 and 4,202.96

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Solution

The fourth proportional to 4,909.52, 7,356.96 and 4,202.96 is: 6,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.52 : 7,356.96 = 4,202.96 : x
  2. Step 2: Convert to fraction form
    4,909.52/7,356.96 = 4,202.96/x
  3. Step 3: Cross multiply
    4,909.52x = 7,356.96 × 4,202.96
  4. Step 4: Simplify right side
    4,909.52x = 30,921,008.60
  5. Step 5: Solve for x
    x = 30,921,008.60/4,909.52
  6. Step 6: Final answer
    x = 6,298.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.