Home / 5,214.56-7,196.79-2,975.93

Finding the Fourth Proportional to 5,214.56, 7,196.79 and 2,975.93

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Solution

The fourth proportional to 5,214.56, 7,196.79 and 2,975.93 is: 4,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.56 : 7,196.79 = 2,975.93 : x
  2. Step 2: Convert to fraction form
    5,214.56/7,196.79 = 2,975.93/x
  3. Step 3: Cross multiply
    5,214.56x = 7,196.79 × 2,975.93
  4. Step 4: Simplify right side
    5,214.56x = 21,417,143.26
  5. Step 5: Solve for x
    x = 21,417,143.26/5,214.56
  6. Step 6: Final answer
    x = 4,107.18

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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.