Home / 5,258.21-7,256.37-2,868.16

Finding the Fourth Proportional to 5,258.21, 7,256.37 and 2,868.16

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Solution

The fourth proportional to 5,258.21, 7,256.37 and 2,868.16 is: 3,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.21 : 7,256.37 = 2,868.16 : x
  2. Step 2: Convert to fraction form
    5,258.21/7,256.37 = 2,868.16/x
  3. Step 3: Cross multiply
    5,258.21x = 7,256.37 × 2,868.16
  4. Step 4: Simplify right side
    5,258.21x = 20,812,393.90
  5. Step 5: Solve for x
    x = 20,812,393.90/5,258.21
  6. Step 6: Final answer
    x = 3,958.08

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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.