Home / 9,154.20-13,731.36-2,580.48

Finding the Fourth Proportional to 9,154.20, 13,731.36 and 2,580.48

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Solution

The fourth proportional to 9,154.20, 13,731.36 and 2,580.48 is: 3,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.20 : 13,731.36 = 2,580.48 : x
  2. Step 2: Convert to fraction form
    9,154.20/13,731.36 = 2,580.48/x
  3. Step 3: Cross multiply
    9,154.20x = 13,731.36 × 2,580.48
  4. Step 4: Simplify right side
    9,154.20x = 35,433,499.85
  5. Step 5: Solve for x
    x = 35,433,499.85/9,154.20
  6. Step 6: Final answer
    x = 3,870.74

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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.