Home / 7,917.57-10,925.50-4,380.66

Finding the Fourth Proportional to 7,917.57, 10,925.50 and 4,380.66

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Solution

The fourth proportional to 7,917.57, 10,925.50 and 4,380.66 is: 6,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.57 : 10,925.50 = 4,380.66 : x
  2. Step 2: Convert to fraction form
    7,917.57/10,925.50 = 4,380.66/x
  3. Step 3: Cross multiply
    7,917.57x = 10,925.50 × 4,380.66
  4. Step 4: Simplify right side
    7,917.57x = 47,860,900.83
  5. Step 5: Solve for x
    x = 47,860,900.83/7,917.57
  6. Step 6: Final answer
    x = 6,044.90

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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.