Home / 4,122.56-5,688.91-2,354.33

Finding the Fourth Proportional to 4,122.56, 5,688.91 and 2,354.33

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Solution

The fourth proportional to 4,122.56, 5,688.91 and 2,354.33 is: 3,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.56 : 5,688.91 = 2,354.33 : x
  2. Step 2: Convert to fraction form
    4,122.56/5,688.91 = 2,354.33/x
  3. Step 3: Cross multiply
    4,122.56x = 5,688.91 × 2,354.33
  4. Step 4: Simplify right side
    4,122.56x = 13,393,571.48
  5. Step 5: Solve for x
    x = 13,393,571.48/4,122.56
  6. Step 6: Final answer
    x = 3,248.85

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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.