Home / 7,099.38-9,796.77-3,955.26

Finding the Fourth Proportional to 7,099.38, 9,796.77 and 3,955.26

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Solution

The fourth proportional to 7,099.38, 9,796.77 and 3,955.26 is: 5,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.38 : 9,796.77 = 3,955.26 : x
  2. Step 2: Convert to fraction form
    7,099.38/9,796.77 = 3,955.26/x
  3. Step 3: Cross multiply
    7,099.38x = 9,796.77 × 3,955.26
  4. Step 4: Simplify right side
    7,099.38x = 38,748,772.51
  5. Step 5: Solve for x
    x = 38,748,772.51/7,099.38
  6. Step 6: Final answer
    x = 5,458.05

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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.