Home / 5,638.78-8,452.44-2,353.66

Finding the Fourth Proportional to 5,638.78, 8,452.44 and 2,353.66

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Solution

The fourth proportional to 5,638.78, 8,452.44 and 2,353.66 is: 3,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.78 : 8,452.44 = 2,353.66 : x
  2. Step 2: Convert to fraction form
    5,638.78/8,452.44 = 2,353.66/x
  3. Step 3: Cross multiply
    5,638.78x = 8,452.44 × 2,353.66
  4. Step 4: Simplify right side
    5,638.78x = 19,894,169.93
  5. Step 5: Solve for x
    x = 19,894,169.93/5,638.78
  6. Step 6: Final answer
    x = 3,528.10

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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.