Home / 5,401.75-7,454.42-2,917.75

Finding the Fourth Proportional to 5,401.75, 7,454.42 and 2,917.75

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Solution

The fourth proportional to 5,401.75, 7,454.42 and 2,917.75 is: 4,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.75 : 7,454.42 = 2,917.75 : x
  2. Step 2: Convert to fraction form
    5,401.75/7,454.42 = 2,917.75/x
  3. Step 3: Cross multiply
    5,401.75x = 7,454.42 × 2,917.75
  4. Step 4: Simplify right side
    5,401.75x = 21,750,119.37
  5. Step 5: Solve for x
    x = 21,750,119.37/5,401.75
  6. Step 6: Final answer
    x = 4,026.50

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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.