Home / 7,176.24-9,902.79-4,031.82

Finding the Fourth Proportional to 7,176.24, 9,902.79 and 4,031.82

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Solution

The fourth proportional to 7,176.24, 9,902.79 and 4,031.82 is: 5,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.24 : 9,902.79 = 4,031.82 : x
  2. Step 2: Convert to fraction form
    7,176.24/9,902.79 = 4,031.82/x
  3. Step 3: Cross multiply
    7,176.24x = 9,902.79 × 4,031.82
  4. Step 4: Simplify right side
    7,176.24x = 39,926,266.78
  5. Step 5: Solve for x
    x = 39,926,266.78/7,176.24
  6. Step 6: Final answer
    x = 5,563.67

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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.