Home / 5,416.69-7,474.98-3,058.78

Finding the Fourth Proportional to 5,416.69, 7,474.98 and 3,058.78

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Solution

The fourth proportional to 5,416.69, 7,474.98 and 3,058.78 is: 4,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.69 : 7,474.98 = 3,058.78 : x
  2. Step 2: Convert to fraction form
    5,416.69/7,474.98 = 3,058.78/x
  3. Step 3: Cross multiply
    5,416.69x = 7,474.98 × 3,058.78
  4. Step 4: Simplify right side
    5,416.69x = 22,864,319.32
  5. Step 5: Solve for x
    x = 22,864,319.32/5,416.69
  6. Step 6: Final answer
    x = 4,221.09

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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.