Home / 5,455.28-7,528.02-3,097.37

Finding the Fourth Proportional to 5,455.28, 7,528.02 and 3,097.37

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Solution

The fourth proportional to 5,455.28, 7,528.02 and 3,097.37 is: 4,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.28 : 7,528.02 = 3,097.37 : x
  2. Step 2: Convert to fraction form
    5,455.28/7,528.02 = 3,097.37/x
  3. Step 3: Cross multiply
    5,455.28x = 7,528.02 × 3,097.37
  4. Step 4: Simplify right side
    5,455.28x = 23,317,063.31
  5. Step 5: Solve for x
    x = 23,317,063.31/5,455.28
  6. Step 6: Final answer
    x = 4,274.22

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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.