Home / 3,081.51-4,254.44-2,374.83

Finding the Fourth Proportional to 3,081.51, 4,254.44 and 2,374.83

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Solution

The fourth proportional to 3,081.51, 4,254.44 and 2,374.83 is: 3,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.51 : 4,254.44 = 2,374.83 : x
  2. Step 2: Convert to fraction form
    3,081.51/4,254.44 = 2,374.83/x
  3. Step 3: Cross multiply
    3,081.51x = 4,254.44 × 2,374.83
  4. Step 4: Simplify right side
    3,081.51x = 10,103,559.87
  5. Step 5: Solve for x
    x = 10,103,559.87/3,081.51
  6. Step 6: Final answer
    x = 3,278.77

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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.