Home / 3,051.11-4,210.55-1,724.52

Finding the Fourth Proportional to 3,051.11, 4,210.55 and 1,724.52

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Solution

The fourth proportional to 3,051.11, 4,210.55 and 1,724.52 is: 2,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.11 : 4,210.55 = 1,724.52 : x
  2. Step 2: Convert to fraction form
    3,051.11/4,210.55 = 1,724.52/x
  3. Step 3: Cross multiply
    3,051.11x = 4,210.55 × 1,724.52
  4. Step 4: Simplify right side
    3,051.11x = 7,261,169.06
  5. Step 5: Solve for x
    x = 7,261,169.06/3,051.11
  6. Step 6: Final answer
    x = 2,379.85

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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.