Home / 4,750.75-7,117.17-4,392.73

Finding the Fourth Proportional to 4,750.75, 7,117.17 and 4,392.73

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Solution

The fourth proportional to 4,750.75, 7,117.17 and 4,392.73 is: 6,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.75 : 7,117.17 = 4,392.73 : x
  2. Step 2: Convert to fraction form
    4,750.75/7,117.17 = 4,392.73/x
  3. Step 3: Cross multiply
    4,750.75x = 7,117.17 × 4,392.73
  4. Step 4: Simplify right side
    4,750.75x = 31,263,806.17
  5. Step 5: Solve for x
    x = 31,263,806.17/4,750.75
  6. Step 6: Final answer
    x = 6,580.81

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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.