Home / 5,214.12-7,195.20-2,975.91

Finding the Fourth Proportional to 5,214.12, 7,195.20 and 2,975.91

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Solution

The fourth proportional to 5,214.12, 7,195.20 and 2,975.91 is: 4,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.12 : 7,195.20 = 2,975.91 : x
  2. Step 2: Convert to fraction form
    5,214.12/7,195.20 = 2,975.91/x
  3. Step 3: Cross multiply
    5,214.12x = 7,195.20 × 2,975.91
  4. Step 4: Simplify right side
    5,214.12x = 21,412,267.63
  5. Step 5: Solve for x
    x = 21,412,267.63/5,214.12
  6. Step 6: Final answer
    x = 4,106.59

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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.