Home / 5,236.29-7,885.60-4,722.21

Finding the Fourth Proportional to 5,236.29, 7,885.60 and 4,722.21

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Solution

The fourth proportional to 5,236.29, 7,885.60 and 4,722.21 is: 7,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.29 : 7,885.60 = 4,722.21 : x
  2. Step 2: Convert to fraction form
    5,236.29/7,885.60 = 4,722.21/x
  3. Step 3: Cross multiply
    5,236.29x = 7,885.60 × 4,722.21
  4. Step 4: Simplify right side
    5,236.29x = 37,237,447.37
  5. Step 5: Solve for x
    x = 37,237,447.37/5,236.29
  6. Step 6: Final answer
    x = 7,111.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.