Home / 3,705.24-5,553.63-1,239.48

Finding the Fourth Proportional to 3,705.24, 5,553.63 and 1,239.48

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Solution

The fourth proportional to 3,705.24, 5,553.63 and 1,239.48 is: 1,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.24 : 5,553.63 = 1,239.48 : x
  2. Step 2: Convert to fraction form
    3,705.24/5,553.63 = 1,239.48/x
  3. Step 3: Cross multiply
    3,705.24x = 5,553.63 × 1,239.48
  4. Step 4: Simplify right side
    3,705.24x = 6,883,613.31
  5. Step 5: Solve for x
    x = 6,883,613.31/3,705.24
  6. Step 6: Final answer
    x = 1,857.80

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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.