Home / 7,719.15-10,652.36-4,531.89

Finding the Fourth Proportional to 7,719.15, 10,652.36 and 4,531.89

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Solution

The fourth proportional to 7,719.15, 10,652.36 and 4,531.89 is: 6,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.15 : 10,652.36 = 4,531.89 : x
  2. Step 2: Convert to fraction form
    7,719.15/10,652.36 = 4,531.89/x
  3. Step 3: Cross multiply
    7,719.15x = 10,652.36 × 4,531.89
  4. Step 4: Simplify right side
    7,719.15x = 48,275,301.10
  5. Step 5: Solve for x
    x = 48,275,301.10/7,719.15
  6. Step 6: Final answer
    x = 6,253.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.