Home / 7,741.12-10,682.68-4,204.12

Finding the Fourth Proportional to 7,741.12, 10,682.68 and 4,204.12

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Solution

The fourth proportional to 7,741.12, 10,682.68 and 4,204.12 is: 5,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.12 : 10,682.68 = 4,204.12 : x
  2. Step 2: Convert to fraction form
    7,741.12/10,682.68 = 4,204.12/x
  3. Step 3: Cross multiply
    7,741.12x = 10,682.68 × 4,204.12
  4. Step 4: Simplify right side
    7,741.12x = 44,911,268.64
  5. Step 5: Solve for x
    x = 44,911,268.64/7,741.12
  6. Step 6: Final answer
    x = 5,801.65

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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.