Home / 8,720.42-13,084.66-4,037.80

Finding the Fourth Proportional to 8,720.42, 13,084.66 and 4,037.80

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Solution

The fourth proportional to 8,720.42, 13,084.66 and 4,037.80 is: 6,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.42 : 13,084.66 = 4,037.80 : x
  2. Step 2: Convert to fraction form
    8,720.42/13,084.66 = 4,037.80/x
  3. Step 3: Cross multiply
    8,720.42x = 13,084.66 × 4,037.80
  4. Step 4: Simplify right side
    8,720.42x = 52,833,240.15
  5. Step 5: Solve for x
    x = 52,833,240.15/8,720.42
  6. Step 6: Final answer
    x = 6,058.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.