Home / 5,507.75-7,600.46-2,989.76

Finding the Fourth Proportional to 5,507.75, 7,600.46 and 2,989.76

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Solution

The fourth proportional to 5,507.75, 7,600.46 and 2,989.76 is: 4,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.75 : 7,600.46 = 2,989.76 : x
  2. Step 2: Convert to fraction form
    5,507.75/7,600.46 = 2,989.76/x
  3. Step 3: Cross multiply
    5,507.75x = 7,600.46 × 2,989.76
  4. Step 4: Simplify right side
    5,507.75x = 22,723,539.76
  5. Step 5: Solve for x
    x = 22,723,539.76/5,507.75
  6. Step 6: Final answer
    x = 4,125.74

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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.