Home / 5,587.17-8,381.66-1,888.55

Finding the Fourth Proportional to 5,587.17, 8,381.66 and 1,888.55

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Solution

The fourth proportional to 5,587.17, 8,381.66 and 1,888.55 is: 2,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.17 : 8,381.66 = 1,888.55 : x
  2. Step 2: Convert to fraction form
    5,587.17/8,381.66 = 1,888.55/x
  3. Step 3: Cross multiply
    5,587.17x = 8,381.66 × 1,888.55
  4. Step 4: Simplify right side
    5,587.17x = 15,829,183.99
  5. Step 5: Solve for x
    x = 15,829,183.99/5,587.17
  6. Step 6: Final answer
    x = 2,833.13

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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.