Home / 6,199.18-8,554.28-3,680.86

Finding the Fourth Proportional to 6,199.18, 8,554.28 and 3,680.86

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Solution

The fourth proportional to 6,199.18, 8,554.28 and 3,680.86 is: 5,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.18 : 8,554.28 = 3,680.86 : x
  2. Step 2: Convert to fraction form
    6,199.18/8,554.28 = 3,680.86/x
  3. Step 3: Cross multiply
    6,199.18x = 8,554.28 × 3,680.86
  4. Step 4: Simplify right side
    6,199.18x = 31,487,088.68
  5. Step 5: Solve for x
    x = 31,487,088.68/6,199.18
  6. Step 6: Final answer
    x = 5,079.23

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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.