Home / 7,072.03-9,759.86-4,088.60

Finding the Fourth Proportional to 7,072.03, 9,759.86 and 4,088.60

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Solution

The fourth proportional to 7,072.03, 9,759.86 and 4,088.60 is: 5,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.03 : 9,759.86 = 4,088.60 : x
  2. Step 2: Convert to fraction form
    7,072.03/9,759.86 = 4,088.60/x
  3. Step 3: Cross multiply
    7,072.03x = 9,759.86 × 4,088.60
  4. Step 4: Simplify right side
    7,072.03x = 39,904,163.60
  5. Step 5: Solve for x
    x = 39,904,163.60/7,072.03
  6. Step 6: Final answer
    x = 5,642.53

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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.