Home / 5,055.61-7,578.31-3,203.14

Finding the Fourth Proportional to 5,055.61, 7,578.31 and 3,203.14

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Solution

The fourth proportional to 5,055.61, 7,578.31 and 3,203.14 is: 4,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.61 : 7,578.31 = 3,203.14 : x
  2. Step 2: Convert to fraction form
    5,055.61/7,578.31 = 3,203.14/x
  3. Step 3: Cross multiply
    5,055.61x = 7,578.31 × 3,203.14
  4. Step 4: Simplify right side
    5,055.61x = 24,274,333.99
  5. Step 5: Solve for x
    x = 24,274,333.99/5,055.61
  6. Step 6: Final answer
    x = 4,801.47

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1.5x scale

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.