Home / 10,280.19-15,411.03-3,701.75

Finding the Fourth Proportional to 10,280.19, 15,411.03 and 3,701.75

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Solution

The fourth proportional to 10,280.19, 15,411.03 and 3,701.75 is: 5,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.19 : 15,411.03 = 3,701.75 : x
  2. Step 2: Convert to fraction form
    10,280.19/15,411.03 = 3,701.75/x
  3. Step 3: Cross multiply
    10,280.19x = 15,411.03 × 3,701.75
  4. Step 4: Simplify right side
    10,280.19x = 57,047,780.30
  5. Step 5: Solve for x
    x = 57,047,780.30/10,280.19
  6. Step 6: Final answer
    x = 5,549.29

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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.