Home / 5,549.73-7,645.60-3,868.08

Finding the Fourth Proportional to 5,549.73, 7,645.60 and 3,868.08

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Solution

The fourth proportional to 5,549.73, 7,645.60 and 3,868.08 is: 5,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.73 : 7,645.60 = 3,868.08 : x
  2. Step 2: Convert to fraction form
    5,549.73/7,645.60 = 3,868.08/x
  3. Step 3: Cross multiply
    5,549.73x = 7,645.60 × 3,868.08
  4. Step 4: Simplify right side
    5,549.73x = 29,573,782.78
  5. Step 5: Solve for x
    x = 29,573,782.78/5,549.73
  6. Step 6: Final answer
    x = 5,328.87

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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.