Home / 5,517.84-7,614.36-3,281.16

Finding the Fourth Proportional to 5,517.84, 7,614.36 and 3,281.16

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Solution

The fourth proportional to 5,517.84, 7,614.36 and 3,281.16 is: 4,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.84 : 7,614.36 = 3,281.16 : x
  2. Step 2: Convert to fraction form
    5,517.84/7,614.36 = 3,281.16/x
  3. Step 3: Cross multiply
    5,517.84x = 7,614.36 × 3,281.16
  4. Step 4: Simplify right side
    5,517.84x = 24,983,933.46
  5. Step 5: Solve for x
    x = 24,983,933.46/5,517.84
  6. Step 6: Final answer
    x = 4,527.85

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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.