Home / 5,386.83-7,433.13-3,028.51

Finding the Fourth Proportional to 5,386.83, 7,433.13 and 3,028.51

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Solution

The fourth proportional to 5,386.83, 7,433.13 and 3,028.51 is: 4,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.83 : 7,433.13 = 3,028.51 : x
  2. Step 2: Convert to fraction form
    5,386.83/7,433.13 = 3,028.51/x
  3. Step 3: Cross multiply
    5,386.83x = 7,433.13 × 3,028.51
  4. Step 4: Simplify right side
    5,386.83x = 22,511,308.54
  5. Step 5: Solve for x
    x = 22,511,308.54/5,386.83
  6. Step 6: Final answer
    x = 4,178.95

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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.