Home / 7,557.78-11,334.33-2,292.57

Finding the Fourth Proportional to 7,557.78, 11,334.33 and 2,292.57

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Solution

The fourth proportional to 7,557.78, 11,334.33 and 2,292.57 is: 3,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.78 : 11,334.33 = 2,292.57 : x
  2. Step 2: Convert to fraction form
    7,557.78/11,334.33 = 2,292.57/x
  3. Step 3: Cross multiply
    7,557.78x = 11,334.33 × 2,292.57
  4. Step 4: Simplify right side
    7,557.78x = 25,984,744.93
  5. Step 5: Solve for x
    x = 25,984,744.93/7,557.78
  6. Step 6: Final answer
    x = 3,438.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.