Home / 10,325.81-15,489.33-2,929.60

Finding the Fourth Proportional to 10,325.81, 15,489.33 and 2,929.60

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Solution

The fourth proportional to 10,325.81, 15,489.33 and 2,929.60 is: 4,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.81 : 15,489.33 = 2,929.60 : x
  2. Step 2: Convert to fraction form
    10,325.81/15,489.33 = 2,929.60/x
  3. Step 3: Cross multiply
    10,325.81x = 15,489.33 × 2,929.60
  4. Step 4: Simplify right side
    10,325.81x = 45,377,549.54
  5. Step 5: Solve for x
    x = 45,377,549.54/10,325.81
  6. Step 6: Final answer
    x = 4,394.57

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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.