Home / 6,573.10-9,859.70-2,190.55

Finding the Fourth Proportional to 6,573.10, 9,859.70 and 2,190.55

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Solution

The fourth proportional to 6,573.10, 9,859.70 and 2,190.55 is: 3,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573.10 : 9,859.70 = 2,190.55 : x
  2. Step 2: Convert to fraction form
    6,573.10/9,859.70 = 2,190.55/x
  3. Step 3: Cross multiply
    6,573.10x = 9,859.70 × 2,190.55
  4. Step 4: Simplify right side
    6,573.10x = 21,598,186.72
  5. Step 5: Solve for x
    x = 21,598,186.72/6,573.10
  6. Step 6: Final answer
    x = 3,285.85

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Half scale
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Double 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.