Home / 4,909.12-7,352.34-2,957.02

Finding the Fourth Proportional to 4,909.12, 7,352.34 and 2,957.02

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Solution

The fourth proportional to 4,909.12, 7,352.34 and 2,957.02 is: 4,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.12 : 7,352.34 = 2,957.02 : x
  2. Step 2: Convert to fraction form
    4,909.12/7,352.34 = 2,957.02/x
  3. Step 3: Cross multiply
    4,909.12x = 7,352.34 × 2,957.02
  4. Step 4: Simplify right side
    4,909.12x = 21,741,016.43
  5. Step 5: Solve for x
    x = 21,741,016.43/4,909.12
  6. Step 6: Final answer
    x = 4,428.70

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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.