Home / 5,247.39-7,878.84-3,503.26

Finding the Fourth Proportional to 5,247.39, 7,878.84 and 3,503.26

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Solution

The fourth proportional to 5,247.39, 7,878.84 and 3,503.26 is: 5,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.39 : 7,878.84 = 3,503.26 : x
  2. Step 2: Convert to fraction form
    5,247.39/7,878.84 = 3,503.26/x
  3. Step 3: Cross multiply
    5,247.39x = 7,878.84 × 3,503.26
  4. Step 4: Simplify right side
    5,247.39x = 27,601,625.02
  5. Step 5: Solve for x
    x = 27,601,625.02/5,247.39
  6. Step 6: Final answer
    x = 5,260.07

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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.