Home / 5,419.81-7,479.95-3,062.11

Finding the Fourth Proportional to 5,419.81, 7,479.95 and 3,062.11

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Solution

The fourth proportional to 5,419.81, 7,479.95 and 3,062.11 is: 4,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.81 : 7,479.95 = 3,062.11 : x
  2. Step 2: Convert to fraction form
    5,419.81/7,479.95 = 3,062.11/x
  3. Step 3: Cross multiply
    5,419.81x = 7,479.95 × 3,062.11
  4. Step 4: Simplify right side
    5,419.81x = 22,904,429.69
  5. Step 5: Solve for x
    x = 22,904,429.69/5,419.81
  6. Step 6: Final answer
    x = 4,226.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.