Home / 5,212.04-7,192.62-2,854.19

Finding the Fourth Proportional to 5,212.04, 7,192.62 and 2,854.19

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Solution

The fourth proportional to 5,212.04, 7,192.62 and 2,854.19 is: 3,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.04 : 7,192.62 = 2,854.19 : x
  2. Step 2: Convert to fraction form
    5,212.04/7,192.62 = 2,854.19/x
  3. Step 3: Cross multiply
    5,212.04x = 7,192.62 × 2,854.19
  4. Step 4: Simplify right side
    5,212.04x = 20,529,068.11
  5. Step 5: Solve for x
    x = 20,529,068.11/5,212.04
  6. Step 6: Final answer
    x = 3,938.78

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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.