Home / 3,467.06-4,781.60-2,931.31

Finding the Fourth Proportional to 3,467.06, 4,781.60 and 2,931.31

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Solution

The fourth proportional to 3,467.06, 4,781.60 and 2,931.31 is: 4,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.06 : 4,781.60 = 2,931.31 : x
  2. Step 2: Convert to fraction form
    3,467.06/4,781.60 = 2,931.31/x
  3. Step 3: Cross multiply
    3,467.06x = 4,781.60 × 2,931.31
  4. Step 4: Simplify right side
    3,467.06x = 14,016,368.67
  5. Step 5: Solve for x
    x = 14,016,368.67/3,467.06
  6. Step 6: Final answer
    x = 4,042.72

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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.