Home / 3,607.12-5,407.44-1,297

Finding the Fourth Proportional to 3,607.12, 5,407.44 and 1,297

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Solution

The fourth proportional to 3,607.12, 5,407.44 and 1,297 is: 1,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.12 : 5,407.44 = 1,297 : x
  2. Step 2: Convert to fraction form
    3,607.12/5,407.44 = 1,297/x
  3. Step 3: Cross multiply
    3,607.12x = 5,407.44 × 1,297
  4. Step 4: Simplify right side
    3,607.12x = 7,013,449.68
  5. Step 5: Solve for x
    x = 7,013,449.68/3,607.12
  6. Step 6: Final answer
    x = 1,944.34

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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.