Home / 6,348.75-8,761.32-3,554.25

Finding the Fourth Proportional to 6,348.75, 8,761.32 and 3,554.25

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Solution

The fourth proportional to 6,348.75, 8,761.32 and 3,554.25 is: 4,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.75 : 8,761.32 = 3,554.25 : x
  2. Step 2: Convert to fraction form
    6,348.75/8,761.32 = 3,554.25/x
  3. Step 3: Cross multiply
    6,348.75x = 8,761.32 × 3,554.25
  4. Step 4: Simplify right side
    6,348.75x = 31,139,921.61
  5. Step 5: Solve for x
    x = 31,139,921.61/6,348.75
  6. Step 6: Final answer
    x = 4,904.89

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.