Home / 5,812.80-8,714.06-2,114.38

Finding the Fourth Proportional to 5,812.80, 8,714.06 and 2,114.38

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Solution

The fourth proportional to 5,812.80, 8,714.06 and 2,114.38 is: 3,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.80 : 8,714.06 = 2,114.38 : x
  2. Step 2: Convert to fraction form
    5,812.80/8,714.06 = 2,114.38/x
  3. Step 3: Cross multiply
    5,812.80x = 8,714.06 × 2,114.38
  4. Step 4: Simplify right side
    5,812.80x = 18,424,829.82
  5. Step 5: Solve for x
    x = 18,424,829.82/5,812.80
  6. Step 6: Final answer
    x = 3,169.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.