Home / 7,357.97-10,153.77-4,000.79

Finding the Fourth Proportional to 7,357.97, 10,153.77 and 4,000.79

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Solution

The fourth proportional to 7,357.97, 10,153.77 and 4,000.79 is: 5,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.97 : 10,153.77 = 4,000.79 : x
  2. Step 2: Convert to fraction form
    7,357.97/10,153.77 = 4,000.79/x
  3. Step 3: Cross multiply
    7,357.97x = 10,153.77 × 4,000.79
  4. Step 4: Simplify right side
    7,357.97x = 40,623,050.71
  5. Step 5: Solve for x
    x = 40,623,050.71/7,357.97
  6. Step 6: Final answer
    x = 5,520.96

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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.