Home / 4,123.04-5,690.20-2,354.90

Finding the Fourth Proportional to 4,123.04, 5,690.20 and 2,354.90

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Solution

The fourth proportional to 4,123.04, 5,690.20 and 2,354.90 is: 3,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.04 : 5,690.20 = 2,354.90 : x
  2. Step 2: Convert to fraction form
    4,123.04/5,690.20 = 2,354.90/x
  3. Step 3: Cross multiply
    4,123.04x = 5,690.20 × 2,354.90
  4. Step 4: Simplify right side
    4,123.04x = 13,399,851.98
  5. Step 5: Solve for x
    x = 13,399,851.98/4,123.04
  6. Step 6: Final answer
    x = 3,249.99

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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.