Home / 5,188.35-7,159.69-3,199.10

Finding the Fourth Proportional to 5,188.35, 7,159.69 and 3,199.10

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Solution

The fourth proportional to 5,188.35, 7,159.69 and 3,199.10 is: 4,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.35 : 7,159.69 = 3,199.10 : x
  2. Step 2: Convert to fraction form
    5,188.35/7,159.69 = 3,199.10/x
  3. Step 3: Cross multiply
    5,188.35x = 7,159.69 × 3,199.10
  4. Step 4: Simplify right side
    5,188.35x = 22,904,532.48
  5. Step 5: Solve for x
    x = 22,904,532.48/5,188.35
  6. Step 6: Final answer
    x = 4,414.61

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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.