Home / 7,055.24-9,735.99-3,911.36

Finding the Fourth Proportional to 7,055.24, 9,735.99 and 3,911.36

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Solution

The fourth proportional to 7,055.24, 9,735.99 and 3,911.36 is: 5,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.24 : 9,735.99 = 3,911.36 : x
  2. Step 2: Convert to fraction form
    7,055.24/9,735.99 = 3,911.36/x
  3. Step 3: Cross multiply
    7,055.24x = 9,735.99 × 3,911.36
  4. Step 4: Simplify right side
    7,055.24x = 38,080,961.85
  5. Step 5: Solve for x
    x = 38,080,961.85/7,055.24
  6. Step 6: Final answer
    x = 5,397.54

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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.