Home / 5,175.21-7,133.49-3,496.08

Finding the Fourth Proportional to 5,175.21, 7,133.49 and 3,496.08

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Solution

The fourth proportional to 5,175.21, 7,133.49 and 3,496.08 is: 4,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.21 : 7,133.49 = 3,496.08 : x
  2. Step 2: Convert to fraction form
    5,175.21/7,133.49 = 3,496.08/x
  3. Step 3: Cross multiply
    5,175.21x = 7,133.49 × 3,496.08
  4. Step 4: Simplify right side
    5,175.21x = 24,939,251.72
  5. Step 5: Solve for x
    x = 24,939,251.72/5,175.21
  6. Step 6: Final answer
    x = 4,818.98

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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.