Home / 5,416.79-7,475.85-3,058.88

Finding the Fourth Proportional to 5,416.79, 7,475.85 and 3,058.88

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Solution

The fourth proportional to 5,416.79, 7,475.85 and 3,058.88 is: 4,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.79 : 7,475.85 = 3,058.88 : x
  2. Step 2: Convert to fraction form
    5,416.79/7,475.85 = 3,058.88/x
  3. Step 3: Cross multiply
    5,416.79x = 7,475.85 × 3,058.88
  4. Step 4: Simplify right side
    5,416.79x = 22,867,690.67
  5. Step 5: Solve for x
    x = 22,867,690.67/5,416.79
  6. Step 6: Final answer
    x = 4,221.64

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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.