Home / 5,419.88-7,478.83-3,062.02

Finding the Fourth Proportional to 5,419.88, 7,478.83 and 3,062.02

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Solution

The fourth proportional to 5,419.88, 7,478.83 and 3,062.02 is: 4,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.88 : 7,478.83 = 3,062.02 : x
  2. Step 2: Convert to fraction form
    5,419.88/7,478.83 = 3,062.02/x
  3. Step 3: Cross multiply
    5,419.88x = 7,478.83 × 3,062.02
  4. Step 4: Simplify right side
    5,419.88x = 22,900,326.19
  5. Step 5: Solve for x
    x = 22,900,326.19/5,419.88
  6. Step 6: Final answer
    x = 4,225.25

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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.