Home / 2,306.45-3,184.22-1,521.86

Finding the Fourth Proportional to 2,306.45, 3,184.22 and 1,521.86

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Solution

The fourth proportional to 2,306.45, 3,184.22 and 1,521.86 is: 2,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.45 : 3,184.22 = 1,521.86 : x
  2. Step 2: Convert to fraction form
    2,306.45/3,184.22 = 1,521.86/x
  3. Step 3: Cross multiply
    2,306.45x = 3,184.22 × 1,521.86
  4. Step 4: Simplify right side
    2,306.45x = 4,845,937.05
  5. Step 5: Solve for x
    x = 4,845,937.05/2,306.45
  6. Step 6: Final answer
    x = 2,101.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.