Home / 7,536.45-10,400.40-4,179.33

Finding the Fourth Proportional to 7,536.45, 10,400.40 and 4,179.33

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Solution

The fourth proportional to 7,536.45, 10,400.40 and 4,179.33 is: 5,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.45 : 10,400.40 = 4,179.33 : x
  2. Step 2: Convert to fraction form
    7,536.45/10,400.40 = 4,179.33/x
  3. Step 3: Cross multiply
    7,536.45x = 10,400.40 × 4,179.33
  4. Step 4: Simplify right side
    7,536.45x = 43,466,703.73
  5. Step 5: Solve for x
    x = 43,466,703.73/7,536.45
  6. Step 6: Final answer
    x = 5,767.53

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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.