Home / 5,019.28-7,531.44-3,170.08

Finding the Fourth Proportional to 5,019.28, 7,531.44 and 3,170.08

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Solution

The fourth proportional to 5,019.28, 7,531.44 and 3,170.08 is: 4,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.28 : 7,531.44 = 3,170.08 : x
  2. Step 2: Convert to fraction form
    5,019.28/7,531.44 = 3,170.08/x
  3. Step 3: Cross multiply
    5,019.28x = 7,531.44 × 3,170.08
  4. Step 4: Simplify right side
    5,019.28x = 23,875,267.32
  5. Step 5: Solve for x
    x = 23,875,267.32/5,019.28
  6. Step 6: Final answer
    x = 4,756.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.