Home / 7,478.60-10,321.94-4,294.04

Finding the Fourth Proportional to 7,478.60, 10,321.94 and 4,294.04

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Solution

The fourth proportional to 7,478.60, 10,321.94 and 4,294.04 is: 5,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.60 : 10,321.94 = 4,294.04 : x
  2. Step 2: Convert to fraction form
    7,478.60/10,321.94 = 4,294.04/x
  3. Step 3: Cross multiply
    7,478.60x = 10,321.94 × 4,294.04
  4. Step 4: Simplify right side
    7,478.60x = 44,322,750.16
  5. Step 5: Solve for x
    x = 44,322,750.16/7,478.60
  6. Step 6: Final answer
    x = 5,926.61

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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.