Home / 3,705.04-5,556.50-1,239.30

Finding the Fourth Proportional to 3,705.04, 5,556.50 and 1,239.30

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Solution

The fourth proportional to 3,705.04, 5,556.50 and 1,239.30 is: 1,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.04 : 5,556.50 = 1,239.30 : x
  2. Step 2: Convert to fraction form
    3,705.04/5,556.50 = 1,239.30/x
  3. Step 3: Cross multiply
    3,705.04x = 5,556.50 × 1,239.30
  4. Step 4: Simplify right side
    3,705.04x = 6,886,168.90
  5. Step 5: Solve for x
    x = 6,886,168.90/3,705.04
  6. Step 6: Final answer
    x = 1,858.59

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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.