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Finding the Fourth Proportional to 5,867.68, 8,097.36 and 3,510.40

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Solution

The fourth proportional to 5,867.68, 8,097.36 and 3,510.40 is: 4,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.68 : 8,097.36 = 3,510.40 : x
  2. Step 2: Convert to fraction form
    5,867.68/8,097.36 = 3,510.40/x
  3. Step 3: Cross multiply
    5,867.68x = 8,097.36 × 3,510.40
  4. Step 4: Simplify right side
    5,867.68x = 28,424,972.54
  5. Step 5: Solve for x
    x = 28,424,972.54/5,867.68
  6. Step 6: Final answer
    x = 4,844.33

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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.