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Finding the Fourth Proportional to 2,864.01, 3,951.02 and 1,684.25

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Solution

The fourth proportional to 2,864.01, 3,951.02 and 1,684.25 is: 2,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.01 : 3,951.02 = 1,684.25 : x
  2. Step 2: Convert to fraction form
    2,864.01/3,951.02 = 1,684.25/x
  3. Step 3: Cross multiply
    2,864.01x = 3,951.02 × 1,684.25
  4. Step 4: Simplify right side
    2,864.01x = 6,654,477.26
  5. Step 5: Solve for x
    x = 6,654,477.26/2,864.01
  6. Step 6: Final answer
    x = 2,323.48

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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.