Home / 5,928.77-8,179.20-4,161.53

Finding the Fourth Proportional to 5,928.77, 8,179.20 and 4,161.53

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Solution

The fourth proportional to 5,928.77, 8,179.20 and 4,161.53 is: 5,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.77 : 8,179.20 = 4,161.53 : x
  2. Step 2: Convert to fraction form
    5,928.77/8,179.20 = 4,161.53/x
  3. Step 3: Cross multiply
    5,928.77x = 8,179.20 × 4,161.53
  4. Step 4: Simplify right side
    5,928.77x = 34,037,986.18
  5. Step 5: Solve for x
    x = 34,037,986.18/5,928.77
  6. Step 6: Final answer
    x = 5,741.15

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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.