Home / 3,561.19-4,914.21-1,967.83

Finding the Fourth Proportional to 3,561.19, 4,914.21 and 1,967.83

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Solution

The fourth proportional to 3,561.19, 4,914.21 and 1,967.83 is: 2,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.19 : 4,914.21 = 1,967.83 : x
  2. Step 2: Convert to fraction form
    3,561.19/4,914.21 = 1,967.83/x
  3. Step 3: Cross multiply
    3,561.19x = 4,914.21 × 1,967.83
  4. Step 4: Simplify right side
    3,561.19x = 9,670,329.86
  5. Step 5: Solve for x
    x = 9,670,329.86/3,561.19
  6. Step 6: Final answer
    x = 2,715.48

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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.