Home / 5,633.80-8,448.52-2,345.20

Finding the Fourth Proportional to 5,633.80, 8,448.52 and 2,345.20

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Solution

The fourth proportional to 5,633.80, 8,448.52 and 2,345.20 is: 3,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.80 : 8,448.52 = 2,345.20 : x
  2. Step 2: Convert to fraction form
    5,633.80/8,448.52 = 2,345.20/x
  3. Step 3: Cross multiply
    5,633.80x = 8,448.52 × 2,345.20
  4. Step 4: Simplify right side
    5,633.80x = 19,813,469.10
  5. Step 5: Solve for x
    x = 19,813,469.10/5,633.80
  6. Step 6: Final answer
    x = 3,516.89

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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.