Home / 5,246.94-7,238.61-3,122.05

Finding the Fourth Proportional to 5,246.94, 7,238.61 and 3,122.05

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Solution

The fourth proportional to 5,246.94, 7,238.61 and 3,122.05 is: 4,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.94 : 7,238.61 = 3,122.05 : x
  2. Step 2: Convert to fraction form
    5,246.94/7,238.61 = 3,122.05/x
  3. Step 3: Cross multiply
    5,246.94x = 7,238.61 × 3,122.05
  4. Step 4: Simplify right side
    5,246.94x = 22,599,250.55
  5. Step 5: Solve for x
    x = 22,599,250.55/5,246.94
  6. Step 6: Final answer
    x = 4,307.13

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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.