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Finding the Fourth Proportional to 3,718.97, 5,133.33 and 2,392.68

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Solution

The fourth proportional to 3,718.97, 5,133.33 and 2,392.68 is: 3,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.97 : 5,133.33 = 2,392.68 : x
  2. Step 2: Convert to fraction form
    3,718.97/5,133.33 = 2,392.68/x
  3. Step 3: Cross multiply
    3,718.97x = 5,133.33 × 2,392.68
  4. Step 4: Simplify right side
    3,718.97x = 12,282,416.02
  5. Step 5: Solve for x
    x = 12,282,416.02/3,718.97
  6. Step 6: Final answer
    x = 3,302.64

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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.