Home / 1,933.54-2,905.39-1,056.61

Finding the Fourth Proportional to 1,933.54, 2,905.39 and 1,056.61

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Solution

The fourth proportional to 1,933.54, 2,905.39 and 1,056.61 is: 1,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.54 : 2,905.39 = 1,056.61 : x
  2. Step 2: Convert to fraction form
    1,933.54/2,905.39 = 1,056.61/x
  3. Step 3: Cross multiply
    1,933.54x = 2,905.39 × 1,056.61
  4. Step 4: Simplify right side
    1,933.54x = 3,069,869.08
  5. Step 5: Solve for x
    x = 3,069,869.08/1,933.54
  6. Step 6: Final answer
    x = 1,587.70

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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.