Home / 5,586.43-8,380.55-1,888.88

Finding the Fourth Proportional to 5,586.43, 8,380.55 and 1,888.88

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Solution

The fourth proportional to 5,586.43, 8,380.55 and 1,888.88 is: 2,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.43 : 8,380.55 = 1,888.88 : x
  2. Step 2: Convert to fraction form
    5,586.43/8,380.55 = 1,888.88/x
  3. Step 3: Cross multiply
    5,586.43x = 8,380.55 × 1,888.88
  4. Step 4: Simplify right side
    5,586.43x = 15,829,853.28
  5. Step 5: Solve for x
    x = 15,829,853.28/5,586.43
  6. Step 6: Final answer
    x = 2,833.63

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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.