Home / 7,177.63-10,765.23-1,983.52

Finding the Fourth Proportional to 7,177.63, 10,765.23 and 1,983.52

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Solution

The fourth proportional to 7,177.63, 10,765.23 and 1,983.52 is: 2,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.63 : 10,765.23 = 1,983.52 : x
  2. Step 2: Convert to fraction form
    7,177.63/10,765.23 = 1,983.52/x
  3. Step 3: Cross multiply
    7,177.63x = 10,765.23 × 1,983.52
  4. Step 4: Simplify right side
    7,177.63x = 21,353,049.01
  5. Step 5: Solve for x
    x = 21,353,049.01/7,177.63
  6. Step 6: Final answer
    x = 2,974.94

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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.