Home / 3,683.09-5,487.39-3,497.20

Finding the Fourth Proportional to 3,683.09, 5,487.39 and 3,497.20

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Solution

The fourth proportional to 3,683.09, 5,487.39 and 3,497.20 is: 5,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.09 : 5,487.39 = 3,497.20 : x
  2. Step 2: Convert to fraction form
    3,683.09/5,487.39 = 3,497.20/x
  3. Step 3: Cross multiply
    3,683.09x = 5,487.39 × 3,497.20
  4. Step 4: Simplify right side
    3,683.09x = 19,190,486.59
  5. Step 5: Solve for x
    x = 19,190,486.59/3,683.09
  6. Step 6: Final answer
    x = 5,210.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.