Home / 5,106.18-7,046.05-2,868.28

Finding the Fourth Proportional to 5,106.18, 7,046.05 and 2,868.28

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Solution

The fourth proportional to 5,106.18, 7,046.05 and 2,868.28 is: 3,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.18 : 7,046.05 = 2,868.28 : x
  2. Step 2: Convert to fraction form
    5,106.18/7,046.05 = 2,868.28/x
  3. Step 3: Cross multiply
    5,106.18x = 7,046.05 × 2,868.28
  4. Step 4: Simplify right side
    5,106.18x = 20,210,044.29
  5. Step 5: Solve for x
    x = 20,210,044.29/5,106.18
  6. Step 6: Final answer
    x = 3,957.96

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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.