Home / 5,436.26-7,502.28-3,078.44

Finding the Fourth Proportional to 5,436.26, 7,502.28 and 3,078.44

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Solution

The fourth proportional to 5,436.26, 7,502.28 and 3,078.44 is: 4,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.26 : 7,502.28 = 3,078.44 : x
  2. Step 2: Convert to fraction form
    5,436.26/7,502.28 = 3,078.44/x
  3. Step 3: Cross multiply
    5,436.26x = 7,502.28 × 3,078.44
  4. Step 4: Simplify right side
    5,436.26x = 23,095,318.84
  5. Step 5: Solve for x
    x = 23,095,318.84/5,436.26
  6. Step 6: Final answer
    x = 4,248.38

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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.