Home / 5,055.62-6,976.53-3,728.84

Finding the Fourth Proportional to 5,055.62, 6,976.53 and 3,728.84

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Solution

The fourth proportional to 5,055.62, 6,976.53 and 3,728.84 is: 5,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.62 : 6,976.53 = 3,728.84 : x
  2. Step 2: Convert to fraction form
    5,055.62/6,976.53 = 3,728.84/x
  3. Step 3: Cross multiply
    5,055.62x = 6,976.53 × 3,728.84
  4. Step 4: Simplify right side
    5,055.62x = 26,014,329.24
  5. Step 5: Solve for x
    x = 26,014,329.24/5,055.62
  6. Step 6: Final answer
    x = 5,145.63

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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.