Home / 7,249.31-10,875.79-2,055.19

Finding the Fourth Proportional to 7,249.31, 10,875.79 and 2,055.19

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Solution

The fourth proportional to 7,249.31, 10,875.79 and 2,055.19 is: 3,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.31 : 10,875.79 = 2,055.19 : x
  2. Step 2: Convert to fraction form
    7,249.31/10,875.79 = 2,055.19/x
  3. Step 3: Cross multiply
    7,249.31x = 10,875.79 × 2,055.19
  4. Step 4: Simplify right side
    7,249.31x = 22,351,814.85
  5. Step 5: Solve for x
    x = 22,351,814.85/7,249.31
  6. Step 6: Final answer
    x = 3,083.30

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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.