Home / 5,064.82-6,986.79-4,121.67

Finding the Fourth Proportional to 5,064.82, 6,986.79 and 4,121.67

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Solution

The fourth proportional to 5,064.82, 6,986.79 and 4,121.67 is: 5,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.82 : 6,986.79 = 4,121.67 : x
  2. Step 2: Convert to fraction form
    5,064.82/6,986.79 = 4,121.67/x
  3. Step 3: Cross multiply
    5,064.82x = 6,986.79 × 4,121.67
  4. Step 4: Simplify right side
    5,064.82x = 28,797,242.74
  5. Step 5: Solve for x
    x = 28,797,242.74/5,064.82
  6. Step 6: Final answer
    x = 5,685.74

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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.