Home / 5,386.60-7,433.94-3,028.60

Finding the Fourth Proportional to 5,386.60, 7,433.94 and 3,028.60

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Solution

The fourth proportional to 5,386.60, 7,433.94 and 3,028.60 is: 4,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.60 : 7,433.94 = 3,028.60 : x
  2. Step 2: Convert to fraction form
    5,386.60/7,433.94 = 3,028.60/x
  3. Step 3: Cross multiply
    5,386.60x = 7,433.94 × 3,028.60
  4. Step 4: Simplify right side
    5,386.60x = 22,514,430.68
  5. Step 5: Solve for x
    x = 22,514,430.68/5,386.60
  6. Step 6: Final answer
    x = 4,179.71

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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.