Home / 3,467.64-5,196.09-1,386.72

Finding the Fourth Proportional to 3,467.64, 5,196.09 and 1,386.72

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Solution

The fourth proportional to 3,467.64, 5,196.09 and 1,386.72 is: 2,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.64 : 5,196.09 = 1,386.72 : x
  2. Step 2: Convert to fraction form
    3,467.64/5,196.09 = 1,386.72/x
  3. Step 3: Cross multiply
    3,467.64x = 5,196.09 × 1,386.72
  4. Step 4: Simplify right side
    3,467.64x = 7,205,521.92
  5. Step 5: Solve for x
    x = 7,205,521.92/3,467.64
  6. Step 6: Final answer
    x = 2,077.93

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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.