Home / 5,225.68-7,210.80-3,826

Finding the Fourth Proportional to 5,225.68, 7,210.80 and 3,826

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Solution

The fourth proportional to 5,225.68, 7,210.80 and 3,826 is: 5,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.68 : 7,210.80 = 3,826 : x
  2. Step 2: Convert to fraction form
    5,225.68/7,210.80 = 3,826/x
  3. Step 3: Cross multiply
    5,225.68x = 7,210.80 × 3,826
  4. Step 4: Simplify right side
    5,225.68x = 27,588,520.80
  5. Step 5: Solve for x
    x = 27,588,520.80/5,225.68
  6. Step 6: Final answer
    x = 5,279.41

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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.