Home / 7,357.97-10,154.12-4,000.77

Finding the Fourth Proportional to 7,357.97, 10,154.12 and 4,000.77

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Solution

The fourth proportional to 7,357.97, 10,154.12 and 4,000.77 is: 5,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.97 : 10,154.12 = 4,000.77 : x
  2. Step 2: Convert to fraction form
    7,357.97/10,154.12 = 4,000.77/x
  3. Step 3: Cross multiply
    7,357.97x = 10,154.12 × 4,000.77
  4. Step 4: Simplify right side
    7,357.97x = 40,624,278.67
  5. Step 5: Solve for x
    x = 40,624,278.67/7,357.97
  6. Step 6: Final answer
    x = 5,521.12

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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.