Home / 5,154.24-7,112.79-2,916.54

Finding the Fourth Proportional to 5,154.24, 7,112.79 and 2,916.54

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Solution

The fourth proportional to 5,154.24, 7,112.79 and 2,916.54 is: 4,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.24 : 7,112.79 = 2,916.54 : x
  2. Step 2: Convert to fraction form
    5,154.24/7,112.79 = 2,916.54/x
  3. Step 3: Cross multiply
    5,154.24x = 7,112.79 × 2,916.54
  4. Step 4: Simplify right side
    5,154.24x = 20,744,736.55
  5. Step 5: Solve for x
    x = 20,744,736.55/5,154.24
  6. Step 6: Final answer
    x = 4,024.79

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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.