Home / 5,292.40-7,930.20-4,193.92

Finding the Fourth Proportional to 5,292.40, 7,930.20 and 4,193.92

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Solution

The fourth proportional to 5,292.40, 7,930.20 and 4,193.92 is: 6,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.40 : 7,930.20 = 4,193.92 : x
  2. Step 2: Convert to fraction form
    5,292.40/7,930.20 = 4,193.92/x
  3. Step 3: Cross multiply
    5,292.40x = 7,930.20 × 4,193.92
  4. Step 4: Simplify right side
    5,292.40x = 33,258,624.38
  5. Step 5: Solve for x
    x = 33,258,624.38/5,292.40
  6. Step 6: Final answer
    x = 6,284.22

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1.5x scale

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.