Home / 7,538.66-10,403.15-4,181.46

Finding the Fourth Proportional to 7,538.66, 10,403.15 and 4,181.46

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Solution

The fourth proportional to 7,538.66, 10,403.15 and 4,181.46 is: 5,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.66 : 10,403.15 = 4,181.46 : x
  2. Step 2: Convert to fraction form
    7,538.66/10,403.15 = 4,181.46/x
  3. Step 3: Cross multiply
    7,538.66x = 10,403.15 × 4,181.46
  4. Step 4: Simplify right side
    7,538.66x = 43,500,334.69
  5. Step 5: Solve for x
    x = 43,500,334.69/7,538.66
  6. Step 6: Final answer
    x = 5,770.30

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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.