Home / 3,051.06-4,209.69-1,724.74

Finding the Fourth Proportional to 3,051.06, 4,209.69 and 1,724.74

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Solution

The fourth proportional to 3,051.06, 4,209.69 and 1,724.74 is: 2,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.06 : 4,209.69 = 1,724.74 : x
  2. Step 2: Convert to fraction form
    3,051.06/4,209.69 = 1,724.74/x
  3. Step 3: Cross multiply
    3,051.06x = 4,209.69 × 1,724.74
  4. Step 4: Simplify right side
    3,051.06x = 7,260,610.21
  5. Step 5: Solve for x
    x = 7,260,610.21/3,051.06
  6. Step 6: Final answer
    x = 2,379.70

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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.