Home / 1,933.55-2,666.98-1,234.61

Finding the Fourth Proportional to 1,933.55, 2,666.98 and 1,234.61

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Solution

The fourth proportional to 1,933.55, 2,666.98 and 1,234.61 is: 1,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.55 : 2,666.98 = 1,234.61 : x
  2. Step 2: Convert to fraction form
    1,933.55/2,666.98 = 1,234.61/x
  3. Step 3: Cross multiply
    1,933.55x = 2,666.98 × 1,234.61
  4. Step 4: Simplify right side
    1,933.55x = 3,292,688.39
  5. Step 5: Solve for x
    x = 3,292,688.39/1,933.55
  6. Step 6: Final answer
    x = 1,702.92

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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.