Home / 5,261.79-7,894.44-2,340.12

Finding the Fourth Proportional to 5,261.79, 7,894.44 and 2,340.12

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Solution

The fourth proportional to 5,261.79, 7,894.44 and 2,340.12 is: 3,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.79 : 7,894.44 = 2,340.12 : x
  2. Step 2: Convert to fraction form
    5,261.79/7,894.44 = 2,340.12/x
  3. Step 3: Cross multiply
    5,261.79x = 7,894.44 × 2,340.12
  4. Step 4: Simplify right side
    5,261.79x = 18,473,936.93
  5. Step 5: Solve for x
    x = 18,473,936.93/5,261.79
  6. Step 6: Final answer
    x = 3,510.96

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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.