Home / 3,118.57-4,673.40-2,290.35

Finding the Fourth Proportional to 3,118.57, 4,673.40 and 2,290.35

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Solution

The fourth proportional to 3,118.57, 4,673.40 and 2,290.35 is: 3,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.57 : 4,673.40 = 2,290.35 : x
  2. Step 2: Convert to fraction form
    3,118.57/4,673.40 = 2,290.35/x
  3. Step 3: Cross multiply
    3,118.57x = 4,673.40 × 2,290.35
  4. Step 4: Simplify right side
    3,118.57x = 10,703,721.69
  5. Step 5: Solve for x
    x = 10,703,721.69/3,118.57
  6. Step 6: Final answer
    x = 3,432.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.