Home / 3,412.83-5,119.92-1,564.01

Finding the Fourth Proportional to 3,412.83, 5,119.92 and 1,564.01

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Solution

The fourth proportional to 3,412.83, 5,119.92 and 1,564.01 is: 2,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.83 : 5,119.92 = 1,564.01 : x
  2. Step 2: Convert to fraction form
    3,412.83/5,119.92 = 1,564.01/x
  3. Step 3: Cross multiply
    3,412.83x = 5,119.92 × 1,564.01
  4. Step 4: Simplify right side
    3,412.83x = 8,007,580.48
  5. Step 5: Solve for x
    x = 8,007,580.48/3,412.83
  6. Step 6: Final answer
    x = 2,346.32

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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.