Home / 6,199.40-8,552.39-3,681.65

Finding the Fourth Proportional to 6,199.40, 8,552.39 and 3,681.65

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Solution

The fourth proportional to 6,199.40, 8,552.39 and 3,681.65 is: 5,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.40 : 8,552.39 = 3,681.65 : x
  2. Step 2: Convert to fraction form
    6,199.40/8,552.39 = 3,681.65/x
  3. Step 3: Cross multiply
    6,199.40x = 8,552.39 × 3,681.65
  4. Step 4: Simplify right side
    6,199.40x = 31,486,909.62
  5. Step 5: Solve for x
    x = 31,486,909.62/6,199.40
  6. Step 6: Final answer
    x = 5,079.02

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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.