Home / 7,154.72-10,732.80-2,474.60

Finding the Fourth Proportional to 7,154.72, 10,732.80 and 2,474.60

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Solution

The fourth proportional to 7,154.72, 10,732.80 and 2,474.60 is: 3,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.72 : 10,732.80 = 2,474.60 : x
  2. Step 2: Convert to fraction form
    7,154.72/10,732.80 = 2,474.60/x
  3. Step 3: Cross multiply
    7,154.72x = 10,732.80 × 2,474.60
  4. Step 4: Simplify right side
    7,154.72x = 26,559,386.88
  5. Step 5: Solve for x
    x = 26,559,386.88/7,154.72
  6. Step 6: Final answer
    x = 3,712.15

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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.