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Finding the Fourth Proportional to 5,258.16, 7,256.16 and 2,868.03

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Solution

The fourth proportional to 5,258.16, 7,256.16 and 2,868.03 is: 3,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.16 : 7,256.16 = 2,868.03 : x
  2. Step 2: Convert to fraction form
    5,258.16/7,256.16 = 2,868.03/x
  3. Step 3: Cross multiply
    5,258.16x = 7,256.16 × 2,868.03
  4. Step 4: Simplify right side
    5,258.16x = 20,810,884.56
  5. Step 5: Solve for x
    x = 20,810,884.56/5,258.16
  6. Step 6: Final answer
    x = 3,957.83

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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.