Home / 5,149.98-7,110.97-3,953.07

Finding the Fourth Proportional to 5,149.98, 7,110.97 and 3,953.07

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Solution

The fourth proportional to 5,149.98, 7,110.97 and 3,953.07 is: 5,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.98 : 7,110.97 = 3,953.07 : x
  2. Step 2: Convert to fraction form
    5,149.98/7,110.97 = 3,953.07/x
  3. Step 3: Cross multiply
    5,149.98x = 7,110.97 × 3,953.07
  4. Step 4: Simplify right side
    5,149.98x = 28,110,152.30
  5. Step 5: Solve for x
    x = 28,110,152.30/5,149.98
  6. Step 6: Final answer
    x = 5,458.30

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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.