Home / 5,213.16-7,190.37-4,899.69

Finding the Fourth Proportional to 5,213.16, 7,190.37 and 4,899.69

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Solution

The fourth proportional to 5,213.16, 7,190.37 and 4,899.69 is: 6,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.16 : 7,190.37 = 4,899.69 : x
  2. Step 2: Convert to fraction form
    5,213.16/7,190.37 = 4,899.69/x
  3. Step 3: Cross multiply
    5,213.16x = 7,190.37 × 4,899.69
  4. Step 4: Simplify right side
    5,213.16x = 35,230,583.99
  5. Step 5: Solve for x
    x = 35,230,583.99/5,213.16
  6. Step 6: Final answer
    x = 6,758.01

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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.