Home / 3,881.06-5,352.73-2,386.31

Finding the Fourth Proportional to 3,881.06, 5,352.73 and 2,386.31

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Solution

The fourth proportional to 3,881.06, 5,352.73 and 2,386.31 is: 3,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.06 : 5,352.73 = 2,386.31 : x
  2. Step 2: Convert to fraction form
    3,881.06/5,352.73 = 2,386.31/x
  3. Step 3: Cross multiply
    3,881.06x = 5,352.73 × 2,386.31
  4. Step 4: Simplify right side
    3,881.06x = 12,773,261.19
  5. Step 5: Solve for x
    x = 12,773,261.19/3,881.06
  6. Step 6: Final answer
    x = 3,291.18

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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.