Home / 5,251.95-7,247.61-2,894.18

Finding the Fourth Proportional to 5,251.95, 7,247.61 and 2,894.18

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Solution

The fourth proportional to 5,251.95, 7,247.61 and 2,894.18 is: 3,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.95 : 7,247.61 = 2,894.18 : x
  2. Step 2: Convert to fraction form
    5,251.95/7,247.61 = 2,894.18/x
  3. Step 3: Cross multiply
    5,251.95x = 7,247.61 × 2,894.18
  4. Step 4: Simplify right side
    5,251.95x = 20,975,851.67
  5. Step 5: Solve for x
    x = 20,975,851.67/5,251.95
  6. Step 6: Final answer
    x = 3,993.92

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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.