Home / 5,747.23-8,620.67-1,587.49

Finding the Fourth Proportional to 5,747.23, 8,620.67 and 1,587.49

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Solution

The fourth proportional to 5,747.23, 8,620.67 and 1,587.49 is: 2,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.23 : 8,620.67 = 1,587.49 : x
  2. Step 2: Convert to fraction form
    5,747.23/8,620.67 = 1,587.49/x
  3. Step 3: Cross multiply
    5,747.23x = 8,620.67 × 1,587.49
  4. Step 4: Simplify right side
    5,747.23x = 13,685,227.42
  5. Step 5: Solve for x
    x = 13,685,227.42/5,747.23
  6. Step 6: Final answer
    x = 2,381.19

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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.