Home / 3,713.45-5,115.78-2,592.41

Finding the Fourth Proportional to 3,713.45, 5,115.78 and 2,592.41

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Solution

The fourth proportional to 3,713.45, 5,115.78 and 2,592.41 is: 3,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.45 : 5,115.78 = 2,592.41 : x
  2. Step 2: Convert to fraction form
    3,713.45/5,115.78 = 2,592.41/x
  3. Step 3: Cross multiply
    3,713.45x = 5,115.78 × 2,592.41
  4. Step 4: Simplify right side
    3,713.45x = 13,262,199.23
  5. Step 5: Solve for x
    x = 13,262,199.23/3,713.45
  6. Step 6: Final answer
    x = 3,571.40

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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.