Home / 5,088.30-7,021.49-2,849.79

Finding the Fourth Proportional to 5,088.30, 7,021.49 and 2,849.79

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Solution

The fourth proportional to 5,088.30, 7,021.49 and 2,849.79 is: 3,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.30 : 7,021.49 = 2,849.79 : x
  2. Step 2: Convert to fraction form
    5,088.30/7,021.49 = 2,849.79/x
  3. Step 3: Cross multiply
    5,088.30x = 7,021.49 × 2,849.79
  4. Step 4: Simplify right side
    5,088.30x = 20,009,771.99
  5. Step 5: Solve for x
    x = 20,009,771.99/5,088.30
  6. Step 6: Final answer
    x = 3,932.51

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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.