Home / 3,467.76-5,199.59-1,386.01

Finding the Fourth Proportional to 3,467.76, 5,199.59 and 1,386.01

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Solution

The fourth proportional to 3,467.76, 5,199.59 and 1,386.01 is: 2,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.76 : 5,199.59 = 1,386.01 : x
  2. Step 2: Convert to fraction form
    3,467.76/5,199.59 = 1,386.01/x
  3. Step 3: Cross multiply
    3,467.76x = 5,199.59 × 1,386.01
  4. Step 4: Simplify right side
    3,467.76x = 7,206,693.70
  5. Step 5: Solve for x
    x = 7,206,693.70/3,467.76
  6. Step 6: Final answer
    x = 2,078.20

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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.