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Finding the Fourth Proportional to 3,703.95, 5,553.30 and 1,853.74

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Solution

The fourth proportional to 3,703.95, 5,553.30 and 1,853.74 is: 2,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.95 : 5,553.30 = 1,853.74 : x
  2. Step 2: Convert to fraction form
    3,703.95/5,553.30 = 1,853.74/x
  3. Step 3: Cross multiply
    3,703.95x = 5,553.30 × 1,853.74
  4. Step 4: Simplify right side
    3,703.95x = 10,294,346.58
  5. Step 5: Solve for x
    x = 10,294,346.58/3,703.95
  6. Step 6: Final answer
    x = 2,779.29

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1.5x scale

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.