Home / 5,920.44-8,172.55-3,562.13

Finding the Fourth Proportional to 5,920.44, 8,172.55 and 3,562.13

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Solution

The fourth proportional to 5,920.44, 8,172.55 and 3,562.13 is: 4,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.44 : 8,172.55 = 3,562.13 : x
  2. Step 2: Convert to fraction form
    5,920.44/8,172.55 = 3,562.13/x
  3. Step 3: Cross multiply
    5,920.44x = 8,172.55 × 3,562.13
  4. Step 4: Simplify right side
    5,920.44x = 29,111,685.53
  5. Step 5: Solve for x
    x = 29,111,685.53/5,920.44
  6. Step 6: Final answer
    x = 4,917.15

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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.