Home / 4,715.03-6,506.78-2,947.66

Finding the Fourth Proportional to 4,715.03, 6,506.78 and 2,947.66

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Solution

The fourth proportional to 4,715.03, 6,506.78 and 2,947.66 is: 4,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.03 : 6,506.78 = 2,947.66 : x
  2. Step 2: Convert to fraction form
    4,715.03/6,506.78 = 2,947.66/x
  3. Step 3: Cross multiply
    4,715.03x = 6,506.78 × 2,947.66
  4. Step 4: Simplify right side
    4,715.03x = 19,179,744.13
  5. Step 5: Solve for x
    x = 19,179,744.13/4,715.03
  6. Step 6: Final answer
    x = 4,067.79

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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.