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Finding the Fourth Proportional to 4,258, 5,876.32 and 2,395.12

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Solution

The fourth proportional to 4,258, 5,876.32 and 2,395.12 is: 3,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258 : 5,876.32 = 2,395.12 : x
  2. Step 2: Convert to fraction form
    4,258/5,876.32 = 2,395.12/x
  3. Step 3: Cross multiply
    4,258x = 5,876.32 × 2,395.12
  4. Step 4: Simplify right side
    4,258x = 14,074,491.56
  5. Step 5: Solve for x
    x = 14,074,491.56/4,258
  6. Step 6: Final answer
    x = 3,305.42

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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.