Home / 5,176.77-7,760.76-2,058.98

Finding the Fourth Proportional to 5,176.77, 7,760.76 and 2,058.98

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Solution

The fourth proportional to 5,176.77, 7,760.76 and 2,058.98 is: 3,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.77 : 7,760.76 = 2,058.98 : x
  2. Step 2: Convert to fraction form
    5,176.77/7,760.76 = 2,058.98/x
  3. Step 3: Cross multiply
    5,176.77x = 7,760.76 × 2,058.98
  4. Step 4: Simplify right side
    5,176.77x = 15,979,203.10
  5. Step 5: Solve for x
    x = 15,979,203.10/5,176.77
  6. Step 6: Final answer
    x = 3,086.72

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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.