Home / 1,936.32-2,906.10-841.52

Finding the Fourth Proportional to 1,936.32, 2,906.10 and 841.52

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Solution

The fourth proportional to 1,936.32, 2,906.10 and 841.52 is: 1,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.32 : 2,906.10 = 841.52 : x
  2. Step 2: Convert to fraction form
    1,936.32/2,906.10 = 841.52/x
  3. Step 3: Cross multiply
    1,936.32x = 2,906.10 × 841.52
  4. Step 4: Simplify right side
    1,936.32x = 2,445,526.74
  5. Step 5: Solve for x
    x = 2,445,526.74/1,936.32
  6. Step 6: Final answer
    x = 1,262.98

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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.