Home / 3,568.10-5,353.08-1,487.42

Finding the Fourth Proportional to 3,568.10, 5,353.08 and 1,487.42

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Solution

The fourth proportional to 3,568.10, 5,353.08 and 1,487.42 is: 2,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.10 : 5,353.08 = 1,487.42 : x
  2. Step 2: Convert to fraction form
    3,568.10/5,353.08 = 1,487.42/x
  3. Step 3: Cross multiply
    3,568.10x = 5,353.08 × 1,487.42
  4. Step 4: Simplify right side
    3,568.10x = 7,962,278.25
  5. Step 5: Solve for x
    x = 7,962,278.25/3,568.10
  6. Step 6: Final answer
    x = 2,231.52

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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.