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Finding the Fourth Proportional to 4,386.75, 6,053.73 and 2,815.17

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Solution

The fourth proportional to 4,386.75, 6,053.73 and 2,815.17 is: 3,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.75 : 6,053.73 = 2,815.17 : x
  2. Step 2: Convert to fraction form
    4,386.75/6,053.73 = 2,815.17/x
  3. Step 3: Cross multiply
    4,386.75x = 6,053.73 × 2,815.17
  4. Step 4: Simplify right side
    4,386.75x = 17,042,279.08
  5. Step 5: Solve for x
    x = 17,042,279.08/4,386.75
  6. Step 6: Final answer
    x = 3,884.94

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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.