Home / 5,415.69-7,474.11-3,058.26

Finding the Fourth Proportional to 5,415.69, 7,474.11 and 3,058.26

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Solution

The fourth proportional to 5,415.69, 7,474.11 and 3,058.26 is: 4,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.69 : 7,474.11 = 3,058.26 : x
  2. Step 2: Convert to fraction form
    5,415.69/7,474.11 = 3,058.26/x
  3. Step 3: Cross multiply
    5,415.69x = 7,474.11 × 3,058.26
  4. Step 4: Simplify right side
    5,415.69x = 22,857,771.65
  5. Step 5: Solve for x
    x = 22,857,771.65/5,415.69
  6. Step 6: Final answer
    x = 4,220.66

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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.