Home / 5,178.72-7,196.28-5,125.44

Finding the Fourth Proportional to 5,178.72, 7,196.28 and 5,125.44

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Solution

The fourth proportional to 5,178.72, 7,196.28 and 5,125.44 is: 7,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.72 : 7,196.28 = 5,125.44 : x
  2. Step 2: Convert to fraction form
    5,178.72/7,196.28 = 5,125.44/x
  3. Step 3: Cross multiply
    5,178.72x = 7,196.28 × 5,125.44
  4. Step 4: Simplify right side
    5,178.72x = 36,884,101.36
  5. Step 5: Solve for x
    x = 36,884,101.36/5,178.72
  6. Step 6: Final answer
    x = 7,122.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.