Home / 5,708.54-7,877.55-3,190.66

Finding the Fourth Proportional to 5,708.54, 7,877.55 and 3,190.66

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Solution

The fourth proportional to 5,708.54, 7,877.55 and 3,190.66 is: 4,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.54 : 7,877.55 = 3,190.66 : x
  2. Step 2: Convert to fraction form
    5,708.54/7,877.55 = 3,190.66/x
  3. Step 3: Cross multiply
    5,708.54x = 7,877.55 × 3,190.66
  4. Step 4: Simplify right side
    5,708.54x = 25,134,575.95
  5. Step 5: Solve for x
    x = 25,134,575.95/5,708.54
  6. Step 6: Final answer
    x = 4,402.98

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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.