Home / 5,415.80-7,473.68-3,058.44

Finding the Fourth Proportional to 5,415.80, 7,473.68 and 3,058.44

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Solution

The fourth proportional to 5,415.80, 7,473.68 and 3,058.44 is: 4,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.80 : 7,473.68 = 3,058.44 : x
  2. Step 2: Convert to fraction form
    5,415.80/7,473.68 = 3,058.44/x
  3. Step 3: Cross multiply
    5,415.80x = 7,473.68 × 3,058.44
  4. Step 4: Simplify right side
    5,415.80x = 22,857,801.86
  5. Step 5: Solve for x
    x = 22,857,801.86/5,415.80
  6. Step 6: Final answer
    x = 4,220.58

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1.5x scale

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.