Home / 5,631.44-8,432.57-3,881.84

Finding the Fourth Proportional to 5,631.44, 8,432.57 and 3,881.84

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Solution

The fourth proportional to 5,631.44, 8,432.57 and 3,881.84 is: 5,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.44 : 8,432.57 = 3,881.84 : x
  2. Step 2: Convert to fraction form
    5,631.44/8,432.57 = 3,881.84/x
  3. Step 3: Cross multiply
    5,631.44x = 8,432.57 × 3,881.84
  4. Step 4: Simplify right side
    5,631.44x = 32,733,855.07
  5. Step 5: Solve for x
    x = 32,733,855.07/5,631.44
  6. Step 6: Final answer
    x = 5,812.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.