Home / 3,925.56-5,416.80-2,247.03

Finding the Fourth Proportional to 3,925.56, 5,416.80 and 2,247.03

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Solution

The fourth proportional to 3,925.56, 5,416.80 and 2,247.03 is: 3,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.56 : 5,416.80 = 2,247.03 : x
  2. Step 2: Convert to fraction form
    3,925.56/5,416.80 = 2,247.03/x
  3. Step 3: Cross multiply
    3,925.56x = 5,416.80 × 2,247.03
  4. Step 4: Simplify right side
    3,925.56x = 12,171,712.10
  5. Step 5: Solve for x
    x = 12,171,712.10/3,925.56
  6. Step 6: Final answer
    x = 3,100.63

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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.