Home / 3,411.24-5,116.86-946.08

Finding the Fourth Proportional to 3,411.24, 5,116.86 and 946.08

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Solution

The fourth proportional to 3,411.24, 5,116.86 and 946.08 is: 1,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.24 : 5,116.86 = 946.08 : x
  2. Step 2: Convert to fraction form
    3,411.24/5,116.86 = 946.08/x
  3. Step 3: Cross multiply
    3,411.24x = 5,116.86 × 946.08
  4. Step 4: Simplify right side
    3,411.24x = 4,840,958.91
  5. Step 5: Solve for x
    x = 4,840,958.91/3,411.24
  6. Step 6: Final answer
    x = 1,419.12

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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.