Home / 4,148.61-6,221.70-3,416.37

Finding the Fourth Proportional to 4,148.61, 6,221.70 and 3,416.37

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Solution

The fourth proportional to 4,148.61, 6,221.70 and 3,416.37 is: 5,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.61 : 6,221.70 = 3,416.37 : x
  2. Step 2: Convert to fraction form
    4,148.61/6,221.70 = 3,416.37/x
  3. Step 3: Cross multiply
    4,148.61x = 6,221.70 × 3,416.37
  4. Step 4: Simplify right side
    4,148.61x = 21,255,629.23
  5. Step 5: Solve for x
    x = 21,255,629.23/4,148.61
  6. Step 6: Final answer
    x = 5,123.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.