Home / 4,148.83-5,722.62-3,151.84

Finding the Fourth Proportional to 4,148.83, 5,722.62 and 3,151.84

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Solution

The fourth proportional to 4,148.83, 5,722.62 and 3,151.84 is: 4,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.83 : 5,722.62 = 3,151.84 : x
  2. Step 2: Convert to fraction form
    4,148.83/5,722.62 = 3,151.84/x
  3. Step 3: Cross multiply
    4,148.83x = 5,722.62 × 3,151.84
  4. Step 4: Simplify right side
    4,148.83x = 18,036,782.62
  5. Step 5: Solve for x
    x = 18,036,782.62/4,148.83
  6. Step 6: Final answer
    x = 4,347.44

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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.