Home / 7,315.92-10,969.07-2,633.58

Finding the Fourth Proportional to 7,315.92, 10,969.07 and 2,633.58

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Solution

The fourth proportional to 7,315.92, 10,969.07 and 2,633.58 is: 3,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.92 : 10,969.07 = 2,633.58 : x
  2. Step 2: Convert to fraction form
    7,315.92/10,969.07 = 2,633.58/x
  3. Step 3: Cross multiply
    7,315.92x = 10,969.07 × 2,633.58
  4. Step 4: Simplify right side
    7,315.92x = 28,887,910.20
  5. Step 5: Solve for x
    x = 28,887,910.20/7,315.92
  6. Step 6: Final answer
    x = 3,948.64

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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.