Home / 5,258.51-7,256.50-2,868.42

Finding the Fourth Proportional to 5,258.51, 7,256.50 and 2,868.42

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Solution

The fourth proportional to 5,258.51, 7,256.50 and 2,868.42 is: 3,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.51 : 7,256.50 = 2,868.42 : x
  2. Step 2: Convert to fraction form
    5,258.51/7,256.50 = 2,868.42/x
  3. Step 3: Cross multiply
    5,258.51x = 7,256.50 × 2,868.42
  4. Step 4: Simplify right side
    5,258.51x = 20,814,707.87
  5. Step 5: Solve for x
    x = 20,814,707.87/5,258.51
  6. Step 6: Final answer
    x = 3,958.29

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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.