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Finding the Fourth Proportional to 5,641.92, 7,785.81 and 3,284.10

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Solution

The fourth proportional to 5,641.92, 7,785.81 and 3,284.10 is: 4,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.92 : 7,785.81 = 3,284.10 : x
  2. Step 2: Convert to fraction form
    5,641.92/7,785.81 = 3,284.10/x
  3. Step 3: Cross multiply
    5,641.92x = 7,785.81 × 3,284.10
  4. Step 4: Simplify right side
    5,641.92x = 25,569,378.62
  5. Step 5: Solve for x
    x = 25,569,378.62/5,641.92
  6. Step 6: Final answer
    x = 4,532.03

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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.