Home / 4,069.78-5,614.52-2,388.22

Finding the Fourth Proportional to 4,069.78, 5,614.52 and 2,388.22

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Solution

The fourth proportional to 4,069.78, 5,614.52 and 2,388.22 is: 3,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.78 : 5,614.52 = 2,388.22 : x
  2. Step 2: Convert to fraction form
    4,069.78/5,614.52 = 2,388.22/x
  3. Step 3: Cross multiply
    4,069.78x = 5,614.52 × 2,388.22
  4. Step 4: Simplify right side
    4,069.78x = 13,408,708.95
  5. Step 5: Solve for x
    x = 13,408,708.95/4,069.78
  6. Step 6: Final answer
    x = 3,294.70

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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.