Home / 7,536.60-10,400.31-4,179.36

Finding the Fourth Proportional to 7,536.60, 10,400.31 and 4,179.36

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Solution

The fourth proportional to 7,536.60, 10,400.31 and 4,179.36 is: 5,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.60 : 10,400.31 = 4,179.36 : x
  2. Step 2: Convert to fraction form
    7,536.60/10,400.31 = 4,179.36/x
  3. Step 3: Cross multiply
    7,536.60x = 10,400.31 × 4,179.36
  4. Step 4: Simplify right side
    7,536.60x = 43,466,639.60
  5. Step 5: Solve for x
    x = 43,466,639.60/7,536.60
  6. Step 6: Final answer
    x = 5,767.41

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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.