Home / 5,386.15-7,432.97-3,028.29

Finding the Fourth Proportional to 5,386.15, 7,432.97 and 3,028.29

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Solution

The fourth proportional to 5,386.15, 7,432.97 and 3,028.29 is: 4,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.15 : 7,432.97 = 3,028.29 : x
  2. Step 2: Convert to fraction form
    5,386.15/7,432.97 = 3,028.29/x
  3. Step 3: Cross multiply
    5,386.15x = 7,432.97 × 3,028.29
  4. Step 4: Simplify right side
    5,386.15x = 22,509,188.72
  5. Step 5: Solve for x
    x = 22,509,188.72/5,386.15
  6. Step 6: Final answer
    x = 4,179.09

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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.