Home / 2,089.19-2,882.36-1,192.28

Finding the Fourth Proportional to 2,089.19, 2,882.36 and 1,192.28

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Solution

The fourth proportional to 2,089.19, 2,882.36 and 1,192.28 is: 1,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.19 : 2,882.36 = 1,192.28 : x
  2. Step 2: Convert to fraction form
    2,089.19/2,882.36 = 1,192.28/x
  3. Step 3: Cross multiply
    2,089.19x = 2,882.36 × 1,192.28
  4. Step 4: Simplify right side
    2,089.19x = 3,436,580.18
  5. Step 5: Solve for x
    x = 3,436,580.18/2,089.19
  6. Step 6: Final answer
    x = 1,644.93

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Double scale
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1.5x scale

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.