Home / 5,106.10-7,046.35-2,867.92

Finding the Fourth Proportional to 5,106.10, 7,046.35 and 2,867.92

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Solution

The fourth proportional to 5,106.10, 7,046.35 and 2,867.92 is: 3,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.10 : 7,046.35 = 2,867.92 : x
  2. Step 2: Convert to fraction form
    5,106.10/7,046.35 = 2,867.92/x
  3. Step 3: Cross multiply
    5,106.10x = 7,046.35 × 2,867.92
  4. Step 4: Simplify right side
    5,106.10x = 20,208,368.09
  5. Step 5: Solve for x
    x = 20,208,368.09/5,106.10
  6. Step 6: Final answer
    x = 3,957.69

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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.