Home / 3,039.06-4,193.91-1,641.81

Finding the Fourth Proportional to 3,039.06, 4,193.91 and 1,641.81

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Solution

The fourth proportional to 3,039.06, 4,193.91 and 1,641.81 is: 2,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.06 : 4,193.91 = 1,641.81 : x
  2. Step 2: Convert to fraction form
    3,039.06/4,193.91 = 1,641.81/x
  3. Step 3: Cross multiply
    3,039.06x = 4,193.91 × 1,641.81
  4. Step 4: Simplify right side
    3,039.06x = 6,885,603.38
  5. Step 5: Solve for x
    x = 6,885,603.38/3,039.06
  6. Step 6: Final answer
    x = 2,265.70

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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.