Home / 3,478.47-5,186.68-3,092.10

Finding the Fourth Proportional to 3,478.47, 5,186.68 and 3,092.10

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Solution

The fourth proportional to 3,478.47, 5,186.68 and 3,092.10 is: 4,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.47 : 5,186.68 = 3,092.10 : x
  2. Step 2: Convert to fraction form
    3,478.47/5,186.68 = 3,092.10/x
  3. Step 3: Cross multiply
    3,478.47x = 5,186.68 × 3,092.10
  4. Step 4: Simplify right side
    3,478.47x = 16,037,725.50
  5. Step 5: Solve for x
    x = 16,037,725.50/3,478.47
  6. Step 6: Final answer
    x = 4,610.57

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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.