Home / 9,320.38-13,980.68-2,746.69

Finding the Fourth Proportional to 9,320.38, 13,980.68 and 2,746.69

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Solution

The fourth proportional to 9,320.38, 13,980.68 and 2,746.69 is: 4,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.38 : 13,980.68 = 2,746.69 : x
  2. Step 2: Convert to fraction form
    9,320.38/13,980.68 = 2,746.69/x
  3. Step 3: Cross multiply
    9,320.38x = 13,980.68 × 2,746.69
  4. Step 4: Simplify right side
    9,320.38x = 38,400,593.95
  5. Step 5: Solve for x
    x = 38,400,593.95/9,320.38
  6. Step 6: Final answer
    x = 4,120.07

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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.