Home / 5,820.50-8,032.28-3,167.90

Finding the Fourth Proportional to 5,820.50, 8,032.28 and 3,167.90

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Solution

The fourth proportional to 5,820.50, 8,032.28 and 3,167.90 is: 4,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.50 : 8,032.28 = 3,167.90 : x
  2. Step 2: Convert to fraction form
    5,820.50/8,032.28 = 3,167.90/x
  3. Step 3: Cross multiply
    5,820.50x = 8,032.28 × 3,167.90
  4. Step 4: Simplify right side
    5,820.50x = 25,445,459.81
  5. Step 5: Solve for x
    x = 25,445,459.81/5,820.50
  6. Step 6: Final answer
    x = 4,371.70

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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.