Home / 9,320.54-13,980.78-2,746.70

Finding the Fourth Proportional to 9,320.54, 13,980.78 and 2,746.70

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Solution

The fourth proportional to 9,320.54, 13,980.78 and 2,746.70 is: 4,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.54 : 13,980.78 = 2,746.70 : x
  2. Step 2: Convert to fraction form
    9,320.54/13,980.78 = 2,746.70/x
  3. Step 3: Cross multiply
    9,320.54x = 13,980.78 × 2,746.70
  4. Step 4: Simplify right side
    9,320.54x = 38,401,008.43
  5. Step 5: Solve for x
    x = 38,401,008.43/9,320.54
  6. Step 6: Final answer
    x = 4,120.04

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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.