Home / 6,178.61-8,517.88-5,230.64

Finding the Fourth Proportional to 6,178.61, 8,517.88 and 5,230.64

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Solution

The fourth proportional to 6,178.61, 8,517.88 and 5,230.64 is: 7,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.61 : 8,517.88 = 5,230.64 : x
  2. Step 2: Convert to fraction form
    6,178.61/8,517.88 = 5,230.64/x
  3. Step 3: Cross multiply
    6,178.61x = 8,517.88 × 5,230.64
  4. Step 4: Simplify right side
    6,178.61x = 44,553,963.84
  5. Step 5: Solve for x
    x = 44,553,963.84/6,178.61
  6. Step 6: Final answer
    x = 7,211.00

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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.