Home / 2,881.64-4,321.33-1,032.20

Finding the Fourth Proportional to 2,881.64, 4,321.33 and 1,032.20

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Solution

The fourth proportional to 2,881.64, 4,321.33 and 1,032.20 is: 1,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.64 : 4,321.33 = 1,032.20 : x
  2. Step 2: Convert to fraction form
    2,881.64/4,321.33 = 1,032.20/x
  3. Step 3: Cross multiply
    2,881.64x = 4,321.33 × 1,032.20
  4. Step 4: Simplify right side
    2,881.64x = 4,460,476.83
  5. Step 5: Solve for x
    x = 4,460,476.83/2,881.64
  6. Step 6: Final answer
    x = 1,547.90

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Why These Related Problems?

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