Home / 5,015.79-7,521.12-2,093.31

Finding the Fourth Proportional to 5,015.79, 7,521.12 and 2,093.31

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Solution

The fourth proportional to 5,015.79, 7,521.12 and 2,093.31 is: 3,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.79 : 7,521.12 = 2,093.31 : x
  2. Step 2: Convert to fraction form
    5,015.79/7,521.12 = 2,093.31/x
  3. Step 3: Cross multiply
    5,015.79x = 7,521.12 × 2,093.31
  4. Step 4: Simplify right side
    5,015.79x = 15,744,035.71
  5. Step 5: Solve for x
    x = 15,744,035.71/5,015.79
  6. Step 6: Final answer
    x = 3,138.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.