Home / 2,030.97-2,802.60-1,191.71

Finding the Fourth Proportional to 2,030.97, 2,802.60 and 1,191.71

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Solution

The fourth proportional to 2,030.97, 2,802.60 and 1,191.71 is: 1,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.97 : 2,802.60 = 1,191.71 : x
  2. Step 2: Convert to fraction form
    2,030.97/2,802.60 = 1,191.71/x
  3. Step 3: Cross multiply
    2,030.97x = 2,802.60 × 1,191.71
  4. Step 4: Simplify right side
    2,030.97x = 3,339,893.45
  5. Step 5: Solve for x
    x = 3,339,893.45/2,030.97
  6. Step 6: Final answer
    x = 1,644.48

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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.