Home / 5,222.64-7,838.55-2,759.13

Finding the Fourth Proportional to 5,222.64, 7,838.55 and 2,759.13

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Solution

The fourth proportional to 5,222.64, 7,838.55 and 2,759.13 is: 4,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.64 : 7,838.55 = 2,759.13 : x
  2. Step 2: Convert to fraction form
    5,222.64/7,838.55 = 2,759.13/x
  3. Step 3: Cross multiply
    5,222.64x = 7,838.55 × 2,759.13
  4. Step 4: Simplify right side
    5,222.64x = 21,627,578.46
  5. Step 5: Solve for x
    x = 21,627,578.46/5,222.64
  6. Step 6: Final answer
    x = 4,141.12

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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.