Home / 2,775.03-3,809.49-2,381.37

Finding the Fourth Proportional to 2,775.03, 3,809.49 and 2,381.37

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Solution

The fourth proportional to 2,775.03, 3,809.49 and 2,381.37 is: 3,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.03 : 3,809.49 = 2,381.37 : x
  2. Step 2: Convert to fraction form
    2,775.03/3,809.49 = 2,381.37/x
  3. Step 3: Cross multiply
    2,775.03x = 3,809.49 × 2,381.37
  4. Step 4: Simplify right side
    2,775.03x = 9,071,805.20
  5. Step 5: Solve for x
    x = 9,071,805.20/2,775.03
  6. Step 6: Final answer
    x = 3,269.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.