Home / 6,673.12-9,998.72-2,288.20

Finding the Fourth Proportional to 6,673.12, 9,998.72 and 2,288.20

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Solution

The fourth proportional to 6,673.12, 9,998.72 and 2,288.20 is: 3,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.12 : 9,998.72 = 2,288.20 : x
  2. Step 2: Convert to fraction form
    6,673.12/9,998.72 = 2,288.20/x
  3. Step 3: Cross multiply
    6,673.12x = 9,998.72 × 2,288.20
  4. Step 4: Simplify right side
    6,673.12x = 22,879,071.10
  5. Step 5: Solve for x
    x = 22,879,071.10/6,673.12
  6. Step 6: Final answer
    x = 3,428.54

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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.