Home / 7,151.16-10,719.24-2,993.54

Finding the Fourth Proportional to 7,151.16, 10,719.24 and 2,993.54

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Solution

The fourth proportional to 7,151.16, 10,719.24 and 2,993.54 is: 4,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.16 : 10,719.24 = 2,993.54 : x
  2. Step 2: Convert to fraction form
    7,151.16/10,719.24 = 2,993.54/x
  3. Step 3: Cross multiply
    7,151.16x = 10,719.24 × 2,993.54
  4. Step 4: Simplify right side
    7,151.16x = 32,088,473.71
  5. Step 5: Solve for x
    x = 32,088,473.71/7,151.16
  6. Step 6: Final answer
    x = 4,487.17

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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.