Home / 3,559.13-4,911.87-1,965.91

Finding the Fourth Proportional to 3,559.13, 4,911.87 and 1,965.91

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Solution

The fourth proportional to 3,559.13, 4,911.87 and 1,965.91 is: 2,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.13 : 4,911.87 = 1,965.91 : x
  2. Step 2: Convert to fraction form
    3,559.13/4,911.87 = 1,965.91/x
  3. Step 3: Cross multiply
    3,559.13x = 4,911.87 × 1,965.91
  4. Step 4: Simplify right side
    3,559.13x = 9,656,269.79
  5. Step 5: Solve for x
    x = 9,656,269.79/3,559.13
  6. Step 6: Final answer
    x = 2,713.10

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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.