Home / 2,154.84-3,233.36-1,057.92

Finding the Fourth Proportional to 2,154.84, 3,233.36 and 1,057.92

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Solution

The fourth proportional to 2,154.84, 3,233.36 and 1,057.92 is: 1,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.84 : 3,233.36 = 1,057.92 : x
  2. Step 2: Convert to fraction form
    2,154.84/3,233.36 = 1,057.92/x
  3. Step 3: Cross multiply
    2,154.84x = 3,233.36 × 1,057.92
  4. Step 4: Simplify right side
    2,154.84x = 3,420,636.21
  5. Step 5: Solve for x
    x = 3,420,636.21/2,154.84
  6. Step 6: Final answer
    x = 1,587.42

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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.