Home / 1,939.06-2,905.35-1,553.50

Finding the Fourth Proportional to 1,939.06, 2,905.35 and 1,553.50

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Solution

The fourth proportional to 1,939.06, 2,905.35 and 1,553.50 is: 2,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.06 : 2,905.35 = 1,553.50 : x
  2. Step 2: Convert to fraction form
    1,939.06/2,905.35 = 1,553.50/x
  3. Step 3: Cross multiply
    1,939.06x = 2,905.35 × 1,553.50
  4. Step 4: Simplify right side
    1,939.06x = 4,513,461.23
  5. Step 5: Solve for x
    x = 4,513,461.23/1,939.06
  6. Step 6: Final answer
    x = 2,327.65

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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.