Home / 7,117.97-10,668.27-5,038.57

Finding the Fourth Proportional to 7,117.97, 10,668.27 and 5,038.57

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Solution

The fourth proportional to 7,117.97, 10,668.27 and 5,038.57 is: 7,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.97 : 10,668.27 = 5,038.57 : x
  2. Step 2: Convert to fraction form
    7,117.97/10,668.27 = 5,038.57/x
  3. Step 3: Cross multiply
    7,117.97x = 10,668.27 × 5,038.57
  4. Step 4: Simplify right side
    7,117.97x = 53,752,857.40
  5. Step 5: Solve for x
    x = 53,752,857.40/7,117.97
  6. Step 6: Final answer
    x = 7,551.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.