Home / 4,722.30-6,521.51-3,891.24

Finding the Fourth Proportional to 4,722.30, 6,521.51 and 3,891.24

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Solution

The fourth proportional to 4,722.30, 6,521.51 and 3,891.24 is: 5,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.30 : 6,521.51 = 3,891.24 : x
  2. Step 2: Convert to fraction form
    4,722.30/6,521.51 = 3,891.24/x
  3. Step 3: Cross multiply
    4,722.30x = 6,521.51 × 3,891.24
  4. Step 4: Simplify right side
    4,722.30x = 25,376,770.30
  5. Step 5: Solve for x
    x = 25,376,770.30/4,722.30
  6. Step 6: Final answer
    x = 5,373.82

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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.