Home / 2,674.08-3,686.51-2,009.75

Finding the Fourth Proportional to 2,674.08, 3,686.51 and 2,009.75

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Solution

The fourth proportional to 2,674.08, 3,686.51 and 2,009.75 is: 2,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.08 : 3,686.51 = 2,009.75 : x
  2. Step 2: Convert to fraction form
    2,674.08/3,686.51 = 2,009.75/x
  3. Step 3: Cross multiply
    2,674.08x = 3,686.51 × 2,009.75
  4. Step 4: Simplify right side
    2,674.08x = 7,408,950.06
  5. Step 5: Solve for x
    x = 7,408,950.06/2,674.08
  6. Step 6: Final answer
    x = 2,770.65

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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.