Home / 5,455.11-7,527.81-3,097.38

Finding the Fourth Proportional to 5,455.11, 7,527.81 and 3,097.38

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Solution

The fourth proportional to 5,455.11, 7,527.81 and 3,097.38 is: 4,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.11 : 7,527.81 = 3,097.38 : x
  2. Step 2: Convert to fraction form
    5,455.11/7,527.81 = 3,097.38/x
  3. Step 3: Cross multiply
    5,455.11x = 7,527.81 × 3,097.38
  4. Step 4: Simplify right side
    5,455.11x = 23,316,488.14
  5. Step 5: Solve for x
    x = 23,316,488.14/5,455.11
  6. Step 6: Final answer
    x = 4,274.25

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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.