Home / 7,731.60-11,599.54-2,541.12

Finding the Fourth Proportional to 7,731.60, 11,599.54 and 2,541.12

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Solution

The fourth proportional to 7,731.60, 11,599.54 and 2,541.12 is: 3,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.60 : 11,599.54 = 2,541.12 : x
  2. Step 2: Convert to fraction form
    7,731.60/11,599.54 = 2,541.12/x
  3. Step 3: Cross multiply
    7,731.60x = 11,599.54 × 2,541.12
  4. Step 4: Simplify right side
    7,731.60x = 29,475,823.08
  5. Step 5: Solve for x
    x = 29,475,823.08/7,731.60
  6. Step 6: Final answer
    x = 3,812.38

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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.