Home / 2,192.17-3,289.83-1,487.63

Finding the Fourth Proportional to 2,192.17, 3,289.83 and 1,487.63

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Solution

The fourth proportional to 2,192.17, 3,289.83 and 1,487.63 is: 2,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.17 : 3,289.83 = 1,487.63 : x
  2. Step 2: Convert to fraction form
    2,192.17/3,289.83 = 1,487.63/x
  3. Step 3: Cross multiply
    2,192.17x = 3,289.83 × 1,487.63
  4. Step 4: Simplify right side
    2,192.17x = 4,894,033.35
  5. Step 5: Solve for x
    x = 4,894,033.35/2,192.17
  6. Step 6: Final answer
    x = 2,232.51

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1.5x scale

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.