Home / 3,166.11-4,368.89-1,839.56

Finding the Fourth Proportional to 3,166.11, 4,368.89 and 1,839.56

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Solution

The fourth proportional to 3,166.11, 4,368.89 and 1,839.56 is: 2,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.11 : 4,368.89 = 1,839.56 : x
  2. Step 2: Convert to fraction form
    3,166.11/4,368.89 = 1,839.56/x
  3. Step 3: Cross multiply
    3,166.11x = 4,368.89 × 1,839.56
  4. Step 4: Simplify right side
    3,166.11x = 8,036,818.04
  5. Step 5: Solve for x
    x = 8,036,818.04/3,166.11
  6. Step 6: Final answer
    x = 2,538.39

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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.