Home / 5,386.70-7,434.32-3,028.83

Finding the Fourth Proportional to 5,386.70, 7,434.32 and 3,028.83

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Solution

The fourth proportional to 5,386.70, 7,434.32 and 3,028.83 is: 4,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.70 : 7,434.32 = 3,028.83 : x
  2. Step 2: Convert to fraction form
    5,386.70/7,434.32 = 3,028.83/x
  3. Step 3: Cross multiply
    5,386.70x = 7,434.32 × 3,028.83
  4. Step 4: Simplify right side
    5,386.70x = 22,517,276.30
  5. Step 5: Solve for x
    x = 22,517,276.30/5,386.70
  6. Step 6: Final answer
    x = 4,180.17

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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.