Home / 5,819.85-8,031.15-3,167.10

Finding the Fourth Proportional to 5,819.85, 8,031.15 and 3,167.10

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Solution

The fourth proportional to 5,819.85, 8,031.15 and 3,167.10 is: 4,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.85 : 8,031.15 = 3,167.10 : x
  2. Step 2: Convert to fraction form
    5,819.85/8,031.15 = 3,167.10/x
  3. Step 3: Cross multiply
    5,819.85x = 8,031.15 × 3,167.10
  4. Step 4: Simplify right side
    5,819.85x = 25,435,455.17
  5. Step 5: Solve for x
    x = 25,435,455.17/5,819.85
  6. Step 6: Final answer
    x = 4,370.47

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1.5x scale

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.