Home / 5,110.92-7,053.13-2,872.67

Finding the Fourth Proportional to 5,110.92, 7,053.13 and 2,872.67

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Solution

The fourth proportional to 5,110.92, 7,053.13 and 2,872.67 is: 3,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.92 : 7,053.13 = 2,872.67 : x
  2. Step 2: Convert to fraction form
    5,110.92/7,053.13 = 2,872.67/x
  3. Step 3: Cross multiply
    5,110.92x = 7,053.13 × 2,872.67
  4. Step 4: Simplify right side
    5,110.92x = 20,261,283.28
  5. Step 5: Solve for x
    x = 20,261,283.28/5,110.92
  6. Step 6: Final answer
    x = 3,964.31

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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.