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Finding the Fourth Proportional to 4,253.79, 5,868.78 and 2,659.35

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Solution

The fourth proportional to 4,253.79, 5,868.78 and 2,659.35 is: 3,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.79 : 5,868.78 = 2,659.35 : x
  2. Step 2: Convert to fraction form
    4,253.79/5,868.78 = 2,659.35/x
  3. Step 3: Cross multiply
    4,253.79x = 5,868.78 × 2,659.35
  4. Step 4: Simplify right side
    4,253.79x = 15,607,140.09
  5. Step 5: Solve for x
    x = 15,607,140.09/4,253.79
  6. Step 6: Final answer
    x = 3,669.00

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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.