Home / 3,948.08-5,922.12-2,408.72

Finding the Fourth Proportional to 3,948.08, 5,922.12 and 2,408.72

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Solution

The fourth proportional to 3,948.08, 5,922.12 and 2,408.72 is: 3,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.08 : 5,922.12 = 2,408.72 : x
  2. Step 2: Convert to fraction form
    3,948.08/5,922.12 = 2,408.72/x
  3. Step 3: Cross multiply
    3,948.08x = 5,922.12 × 2,408.72
  4. Step 4: Simplify right side
    3,948.08x = 14,264,728.89
  5. Step 5: Solve for x
    x = 14,264,728.89/3,948.08
  6. Step 6: Final answer
    x = 3,613.08

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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.