Home / 6,190.81-8,543.36-3,674.19

Finding the Fourth Proportional to 6,190.81, 8,543.36 and 3,674.19

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Solution

The fourth proportional to 6,190.81, 8,543.36 and 3,674.19 is: 5,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.81 : 8,543.36 = 3,674.19 : x
  2. Step 2: Convert to fraction form
    6,190.81/8,543.36 = 3,674.19/x
  3. Step 3: Cross multiply
    6,190.81x = 8,543.36 × 3,674.19
  4. Step 4: Simplify right side
    6,190.81x = 31,389,927.88
  5. Step 5: Solve for x
    x = 31,389,927.88/6,190.81
  6. Step 6: Final answer
    x = 5,070.41

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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.