Home / 6,977.28-9,628.80-3,833.52

Finding the Fourth Proportional to 6,977.28, 9,628.80 and 3,833.52

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Solution

The fourth proportional to 6,977.28, 9,628.80 and 3,833.52 is: 5,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.28 : 9,628.80 = 3,833.52 : x
  2. Step 2: Convert to fraction form
    6,977.28/9,628.80 = 3,833.52/x
  3. Step 3: Cross multiply
    6,977.28x = 9,628.80 × 3,833.52
  4. Step 4: Simplify right side
    6,977.28x = 36,912,197.38
  5. Step 5: Solve for x
    x = 36,912,197.38/6,977.28
  6. Step 6: Final answer
    x = 5,290.34

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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.