Home / 6,650.42-9,180.90-5,154.98

Finding the Fourth Proportional to 6,650.42, 9,180.90 and 5,154.98

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Solution

The fourth proportional to 6,650.42, 9,180.90 and 5,154.98 is: 7,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.42 : 9,180.90 = 5,154.98 : x
  2. Step 2: Convert to fraction form
    6,650.42/9,180.90 = 5,154.98/x
  3. Step 3: Cross multiply
    6,650.42x = 9,180.90 × 5,154.98
  4. Step 4: Simplify right side
    6,650.42x = 47,327,309.98
  5. Step 5: Solve for x
    x = 47,327,309.98/6,650.42
  6. Step 6: Final answer
    x = 7,116.44

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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.