Home / 5,649.20-8,466.70-2,876.56

Finding the Fourth Proportional to 5,649.20, 8,466.70 and 2,876.56

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Solution

The fourth proportional to 5,649.20, 8,466.70 and 2,876.56 is: 4,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.20 : 8,466.70 = 2,876.56 : x
  2. Step 2: Convert to fraction form
    5,649.20/8,466.70 = 2,876.56/x
  3. Step 3: Cross multiply
    5,649.20x = 8,466.70 × 2,876.56
  4. Step 4: Simplify right side
    5,649.20x = 24,354,970.55
  5. Step 5: Solve for x
    x = 24,354,970.55/5,649.20
  6. Step 6: Final answer
    x = 4,311.22

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1.5x scale

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.