Home / 5,820.41-8,031.76-3,167.76

Finding the Fourth Proportional to 5,820.41, 8,031.76 and 3,167.76

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Solution

The fourth proportional to 5,820.41, 8,031.76 and 3,167.76 is: 4,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.41 : 8,031.76 = 3,167.76 : x
  2. Step 2: Convert to fraction form
    5,820.41/8,031.76 = 3,167.76/x
  3. Step 3: Cross multiply
    5,820.41x = 8,031.76 × 3,167.76
  4. Step 4: Simplify right side
    5,820.41x = 25,442,710.26
  5. Step 5: Solve for x
    x = 25,442,710.26/5,820.41
  6. Step 6: Final answer
    x = 4,371.29

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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.