Home / 4,928.10-7,400.96-4,729.90

Finding the Fourth Proportional to 4,928.10, 7,400.96 and 4,729.90

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Solution

The fourth proportional to 4,928.10, 7,400.96 and 4,729.90 is: 7,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.10 : 7,400.96 = 4,729.90 : x
  2. Step 2: Convert to fraction form
    4,928.10/7,400.96 = 4,729.90/x
  3. Step 3: Cross multiply
    4,928.10x = 7,400.96 × 4,729.90
  4. Step 4: Simplify right side
    4,928.10x = 35,005,800.70
  5. Step 5: Solve for x
    x = 35,005,800.70/4,928.10
  6. Step 6: Final answer
    x = 7,103.31

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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.