Home / 5,199.28-7,156.32-4,350.68

Finding the Fourth Proportional to 5,199.28, 7,156.32 and 4,350.68

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Solution

The fourth proportional to 5,199.28, 7,156.32 and 4,350.68 is: 5,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.28 : 7,156.32 = 4,350.68 : x
  2. Step 2: Convert to fraction form
    5,199.28/7,156.32 = 4,350.68/x
  3. Step 3: Cross multiply
    5,199.28x = 7,156.32 × 4,350.68
  4. Step 4: Simplify right side
    5,199.28x = 31,134,858.30
  5. Step 5: Solve for x
    x = 31,134,858.30/5,199.28
  6. Step 6: Final answer
    x = 5,988.30

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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.