Home / 6,287.28-9,431.61-2,338.08

Finding the Fourth Proportional to 6,287.28, 9,431.61 and 2,338.08

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Solution

The fourth proportional to 6,287.28, 9,431.61 and 2,338.08 is: 3,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.28 : 9,431.61 = 2,338.08 : x
  2. Step 2: Convert to fraction form
    6,287.28/9,431.61 = 2,338.08/x
  3. Step 3: Cross multiply
    6,287.28x = 9,431.61 × 2,338.08
  4. Step 4: Simplify right side
    6,287.28x = 22,051,829.28
  5. Step 5: Solve for x
    x = 22,051,829.28/6,287.28
  6. Step 6: Final answer
    x = 3,507.37

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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.