Home / 5,720.48-8,580.71-3,758.49

Finding the Fourth Proportional to 5,720.48, 8,580.71 and 3,758.49

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Solution

The fourth proportional to 5,720.48, 8,580.71 and 3,758.49 is: 5,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.48 : 8,580.71 = 3,758.49 : x
  2. Step 2: Convert to fraction form
    5,720.48/8,580.71 = 3,758.49/x
  3. Step 3: Cross multiply
    5,720.48x = 8,580.71 × 3,758.49
  4. Step 4: Simplify right side
    5,720.48x = 32,250,493.94
  5. Step 5: Solve for x
    x = 32,250,493.94/5,720.48
  6. Step 6: Final answer
    x = 5,637.73

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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.