Home / 7,536.36-10,400.74-4,179.15

Finding the Fourth Proportional to 7,536.36, 10,400.74 and 4,179.15

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Solution

The fourth proportional to 7,536.36, 10,400.74 and 4,179.15 is: 5,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.36 : 10,400.74 = 4,179.15 : x
  2. Step 2: Convert to fraction form
    7,536.36/10,400.74 = 4,179.15/x
  3. Step 3: Cross multiply
    7,536.36x = 10,400.74 × 4,179.15
  4. Step 4: Simplify right side
    7,536.36x = 43,466,242.12
  5. Step 5: Solve for x
    x = 43,466,242.12/7,536.36
  6. Step 6: Final answer
    x = 5,767.54

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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.