Home / 5,498.20-8,228.10-5,037.40

Finding the Fourth Proportional to 5,498.20, 8,228.10 and 5,037.40

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Solution

The fourth proportional to 5,498.20, 8,228.10 and 5,037.40 is: 7,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.20 : 8,228.10 = 5,037.40 : x
  2. Step 2: Convert to fraction form
    5,498.20/8,228.10 = 5,037.40/x
  3. Step 3: Cross multiply
    5,498.20x = 8,228.10 × 5,037.40
  4. Step 4: Simplify right side
    5,498.20x = 41,448,230.94
  5. Step 5: Solve for x
    x = 41,448,230.94/5,498.20
  6. Step 6: Final answer
    x = 7,538.51

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Half scale
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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.