Home / 7,536.39-10,400.24-4,179.35

Finding the Fourth Proportional to 7,536.39, 10,400.24 and 4,179.35

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Solution

The fourth proportional to 7,536.39, 10,400.24 and 4,179.35 is: 5,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.39 : 10,400.24 = 4,179.35 : x
  2. Step 2: Convert to fraction form
    7,536.39/10,400.24 = 4,179.35/x
  3. Step 3: Cross multiply
    7,536.39x = 10,400.24 × 4,179.35
  4. Step 4: Simplify right side
    7,536.39x = 43,466,170.15
  5. Step 5: Solve for x
    x = 43,466,170.15/7,536.39
  6. Step 6: Final answer
    x = 5,767.51

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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.