Home / 5,088.15-7,021.44-2,849.85

Finding the Fourth Proportional to 5,088.15, 7,021.44 and 2,849.85

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Solution

The fourth proportional to 5,088.15, 7,021.44 and 2,849.85 is: 3,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.15 : 7,021.44 = 2,849.85 : x
  2. Step 2: Convert to fraction form
    5,088.15/7,021.44 = 2,849.85/x
  3. Step 3: Cross multiply
    5,088.15x = 7,021.44 × 2,849.85
  4. Step 4: Simplify right side
    5,088.15x = 20,010,050.78
  5. Step 5: Solve for x
    x = 20,010,050.78/5,088.15
  6. Step 6: Final answer
    x = 3,932.68

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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.