Home / 7,538.50-10,403.26-4,181.46

Finding the Fourth Proportional to 7,538.50, 10,403.26 and 4,181.46

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Solution

The fourth proportional to 7,538.50, 10,403.26 and 4,181.46 is: 5,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.50 : 10,403.26 = 4,181.46 : x
  2. Step 2: Convert to fraction form
    7,538.50/10,403.26 = 4,181.46/x
  3. Step 3: Cross multiply
    7,538.50x = 10,403.26 × 4,181.46
  4. Step 4: Simplify right side
    7,538.50x = 43,500,815.56
  5. Step 5: Solve for x
    x = 43,500,815.56/7,538.50
  6. Step 6: Final answer
    x = 5,770.49

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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.