Home / 4,064.85-5,612.63-3,119.11

Finding the Fourth Proportional to 4,064.85, 5,612.63 and 3,119.11

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Solution

The fourth proportional to 4,064.85, 5,612.63 and 3,119.11 is: 4,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,064.85 : 5,612.63 = 3,119.11 : x
  2. Step 2: Convert to fraction form
    4,064.85/5,612.63 = 3,119.11/x
  3. Step 3: Cross multiply
    4,064.85x = 5,612.63 × 3,119.11
  4. Step 4: Simplify right side
    4,064.85x = 17,506,380.73
  5. Step 5: Solve for x
    x = 17,506,380.73/4,064.85
  6. Step 6: Final answer
    x = 4,306.77

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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.