Home / 2,030.92-2,803.27-1,191.80

Finding the Fourth Proportional to 2,030.92, 2,803.27 and 1,191.80

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Solution

The fourth proportional to 2,030.92, 2,803.27 and 1,191.80 is: 1,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.92 : 2,803.27 = 1,191.80 : x
  2. Step 2: Convert to fraction form
    2,030.92/2,803.27 = 1,191.80/x
  3. Step 3: Cross multiply
    2,030.92x = 2,803.27 × 1,191.80
  4. Step 4: Simplify right side
    2,030.92x = 3,340,937.19
  5. Step 5: Solve for x
    x = 3,340,937.19/2,030.92
  6. Step 6: Final answer
    x = 1,645.04

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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.