Home / 5,209.88-7,184.08-4,258.56

Finding the Fourth Proportional to 5,209.88, 7,184.08 and 4,258.56

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Solution

The fourth proportional to 5,209.88, 7,184.08 and 4,258.56 is: 5,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.88 : 7,184.08 = 4,258.56 : x
  2. Step 2: Convert to fraction form
    5,209.88/7,184.08 = 4,258.56/x
  3. Step 3: Cross multiply
    5,209.88x = 7,184.08 × 4,258.56
  4. Step 4: Simplify right side
    5,209.88x = 30,593,835.72
  5. Step 5: Solve for x
    x = 30,593,835.72/5,209.88
  6. Step 6: Final answer
    x = 5,872.27

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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.