Home / 2,132.84-3,199.34-1,038.08

Finding the Fourth Proportional to 2,132.84, 3,199.34 and 1,038.08

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Solution

The fourth proportional to 2,132.84, 3,199.34 and 1,038.08 is: 1,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.84 : 3,199.34 = 1,038.08 : x
  2. Step 2: Convert to fraction form
    2,132.84/3,199.34 = 1,038.08/x
  3. Step 3: Cross multiply
    2,132.84x = 3,199.34 × 1,038.08
  4. Step 4: Simplify right side
    2,132.84x = 3,321,170.87
  5. Step 5: Solve for x
    x = 3,321,170.87/2,132.84
  6. Step 6: Final answer
    x = 1,557.16

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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.