Home / 3,212.93-4,436.47-2,374.58

Finding the Fourth Proportional to 3,212.93, 4,436.47 and 2,374.58

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Solution

The fourth proportional to 3,212.93, 4,436.47 and 2,374.58 is: 3,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.93 : 4,436.47 = 2,374.58 : x
  2. Step 2: Convert to fraction form
    3,212.93/4,436.47 = 2,374.58/x
  3. Step 3: Cross multiply
    3,212.93x = 4,436.47 × 2,374.58
  4. Step 4: Simplify right side
    3,212.93x = 10,534,766.99
  5. Step 5: Solve for x
    x = 10,534,766.99/3,212.93
  6. Step 6: Final answer
    x = 3,278.86

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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.