Home / 5,197.79-7,167.49-3,427.13

Finding the Fourth Proportional to 5,197.79, 7,167.49 and 3,427.13

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Solution

The fourth proportional to 5,197.79, 7,167.49 and 3,427.13 is: 4,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.79 : 7,167.49 = 3,427.13 : x
  2. Step 2: Convert to fraction form
    5,197.79/7,167.49 = 3,427.13/x
  3. Step 3: Cross multiply
    5,197.79x = 7,167.49 × 3,427.13
  4. Step 4: Simplify right side
    5,197.79x = 24,563,875.60
  5. Step 5: Solve for x
    x = 24,563,875.60/5,197.79
  6. Step 6: Final answer
    x = 4,725.84

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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.