Home / 5,745.22-8,613.45-2,970.12

Finding the Fourth Proportional to 5,745.22, 8,613.45 and 2,970.12

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Solution

The fourth proportional to 5,745.22, 8,613.45 and 2,970.12 is: 4,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.22 : 8,613.45 = 2,970.12 : x
  2. Step 2: Convert to fraction form
    5,745.22/8,613.45 = 2,970.12/x
  3. Step 3: Cross multiply
    5,745.22x = 8,613.45 × 2,970.12
  4. Step 4: Simplify right side
    5,745.22x = 25,582,949.35
  5. Step 5: Solve for x
    x = 25,582,949.35/5,745.22
  6. Step 6: Final answer
    x = 4,452.91

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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.