Home / 5,240.70-7,231.95-3,349.62

Finding the Fourth Proportional to 5,240.70, 7,231.95 and 3,349.62

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Solution

The fourth proportional to 5,240.70, 7,231.95 and 3,349.62 is: 4,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.70 : 7,231.95 = 3,349.62 : x
  2. Step 2: Convert to fraction form
    5,240.70/7,231.95 = 3,349.62/x
  3. Step 3: Cross multiply
    5,240.70x = 7,231.95 × 3,349.62
  4. Step 4: Simplify right side
    5,240.70x = 24,224,284.36
  5. Step 5: Solve for x
    x = 24,224,284.36/5,240.70
  6. Step 6: Final answer
    x = 4,622.34

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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.