Home / 7,176.26-9,902.86-4,032.45

Finding the Fourth Proportional to 7,176.26, 9,902.86 and 4,032.45

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Solution

The fourth proportional to 7,176.26, 9,902.86 and 4,032.45 is: 5,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.26 : 9,902.86 = 4,032.45 : x
  2. Step 2: Convert to fraction form
    7,176.26/9,902.86 = 4,032.45/x
  3. Step 3: Cross multiply
    7,176.26x = 9,902.86 × 4,032.45
  4. Step 4: Simplify right side
    7,176.26x = 39,932,777.73
  5. Step 5: Solve for x
    x = 39,932,777.73/7,176.26
  6. Step 6: Final answer
    x = 5,564.56

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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.