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Finding the Fourth Proportional to 4,257, 5,873.79 and 2,488.26

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Solution

The fourth proportional to 4,257, 5,873.79 and 2,488.26 is: 3,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257 : 5,873.79 = 2,488.26 : x
  2. Step 2: Convert to fraction form
    4,257/5,873.79 = 2,488.26/x
  3. Step 3: Cross multiply
    4,257x = 5,873.79 × 2,488.26
  4. Step 4: Simplify right side
    4,257x = 14,615,516.71
  5. Step 5: Solve for x
    x = 14,615,516.71/4,257
  6. Step 6: Final answer
    x = 3,433.29

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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.