Home / 6,188.96-8,538.80-3,671.52

Finding the Fourth Proportional to 6,188.96, 8,538.80 and 3,671.52

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Solution

The fourth proportional to 6,188.96, 8,538.80 and 3,671.52 is: 5,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.96 : 8,538.80 = 3,671.52 : x
  2. Step 2: Convert to fraction form
    6,188.96/8,538.80 = 3,671.52/x
  3. Step 3: Cross multiply
    6,188.96x = 8,538.80 × 3,671.52
  4. Step 4: Simplify right side
    6,188.96x = 31,350,374.98
  5. Step 5: Solve for x
    x = 31,350,374.98/6,188.96
  6. Step 6: Final answer
    x = 5,065.53

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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.