Home / 5,149.95-7,106.30-3,657.33

Finding the Fourth Proportional to 5,149.95, 7,106.30 and 3,657.33

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Solution

The fourth proportional to 5,149.95, 7,106.30 and 3,657.33 is: 5,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.95 : 7,106.30 = 3,657.33 : x
  2. Step 2: Convert to fraction form
    5,149.95/7,106.30 = 3,657.33/x
  3. Step 3: Cross multiply
    5,149.95x = 7,106.30 × 3,657.33
  4. Step 4: Simplify right side
    5,149.95x = 25,990,065.89
  5. Step 5: Solve for x
    x = 25,990,065.89/5,149.95
  6. Step 6: Final answer
    x = 5,046.66

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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.