Home / 5,005.75-7,508.58-1,674.25

Finding the Fourth Proportional to 5,005.75, 7,508.58 and 1,674.25

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Solution

The fourth proportional to 5,005.75, 7,508.58 and 1,674.25 is: 2,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.75 : 7,508.58 = 1,674.25 : x
  2. Step 2: Convert to fraction form
    5,005.75/7,508.58 = 1,674.25/x
  3. Step 3: Cross multiply
    5,005.75x = 7,508.58 × 1,674.25
  4. Step 4: Simplify right side
    5,005.75x = 12,571,240.07
  5. Step 5: Solve for x
    x = 12,571,240.07/5,005.75
  6. Step 6: Final answer
    x = 2,511.36

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Half scale
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Similar ratio
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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.