Home / 6,731.42-9,289.71-3,747.51

Finding the Fourth Proportional to 6,731.42, 9,289.71 and 3,747.51

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Solution

The fourth proportional to 6,731.42, 9,289.71 and 3,747.51 is: 5,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.42 : 9,289.71 = 3,747.51 : x
  2. Step 2: Convert to fraction form
    6,731.42/9,289.71 = 3,747.51/x
  3. Step 3: Cross multiply
    6,731.42x = 9,289.71 × 3,747.51
  4. Step 4: Simplify right side
    6,731.42x = 34,813,281.12
  5. Step 5: Solve for x
    x = 34,813,281.12/6,731.42
  6. Step 6: Final answer
    x = 5,171.76

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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.