Home / 5,186.19-7,157.04-3,196.63

Finding the Fourth Proportional to 5,186.19, 7,157.04 and 3,196.63

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Solution

The fourth proportional to 5,186.19, 7,157.04 and 3,196.63 is: 4,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.19 : 7,157.04 = 3,196.63 : x
  2. Step 2: Convert to fraction form
    5,186.19/7,157.04 = 3,196.63/x
  3. Step 3: Cross multiply
    5,186.19x = 7,157.04 × 3,196.63
  4. Step 4: Simplify right side
    5,186.19x = 22,878,408.78
  5. Step 5: Solve for x
    x = 22,878,408.78/5,186.19
  6. Step 6: Final answer
    x = 4,411.41

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Half scale
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Double scale
Find fourth proportional to 5,187.19, 7,158.42 and 3,197.63
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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.