Home / 5,138.51-7,084.26-4,015.04

Finding the Fourth Proportional to 5,138.51, 7,084.26 and 4,015.04

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Solution

The fourth proportional to 5,138.51, 7,084.26 and 4,015.04 is: 5,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.51 : 7,084.26 = 4,015.04 : x
  2. Step 2: Convert to fraction form
    5,138.51/7,084.26 = 4,015.04/x
  3. Step 3: Cross multiply
    5,138.51x = 7,084.26 × 4,015.04
  4. Step 4: Simplify right side
    5,138.51x = 28,443,551.85
  5. Step 5: Solve for x
    x = 28,443,551.85/5,138.51
  6. Step 6: Final answer
    x = 5,535.37

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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.