Home / 5,106.56-7,049.21-3,117.83

Finding the Fourth Proportional to 5,106.56, 7,049.21 and 3,117.83

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Solution

The fourth proportional to 5,106.56, 7,049.21 and 3,117.83 is: 4,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.56 : 7,049.21 = 3,117.83 : x
  2. Step 2: Convert to fraction form
    5,106.56/7,049.21 = 3,117.83/x
  3. Step 3: Cross multiply
    5,106.56x = 7,049.21 × 3,117.83
  4. Step 4: Simplify right side
    5,106.56x = 21,978,238.41
  5. Step 5: Solve for x
    x = 21,978,238.41/5,106.56
  6. Step 6: Final answer
    x = 4,303.92

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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.