Home / 5,214.15-7,194.84-2,975.89

Finding the Fourth Proportional to 5,214.15, 7,194.84 and 2,975.89

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Solution

The fourth proportional to 5,214.15, 7,194.84 and 2,975.89 is: 4,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.15 : 7,194.84 = 2,975.89 : x
  2. Step 2: Convert to fraction form
    5,214.15/7,194.84 = 2,975.89/x
  3. Step 3: Cross multiply
    5,214.15x = 7,194.84 × 2,975.89
  4. Step 4: Simplify right side
    5,214.15x = 21,411,052.41
  5. Step 5: Solve for x
    x = 21,411,052.41/5,214.15
  6. Step 6: Final answer
    x = 4,106.34

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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.