Home / 2,053.73-3,065.45-1,889.02

Finding the Fourth Proportional to 2,053.73, 3,065.45 and 1,889.02

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Solution

The fourth proportional to 2,053.73, 3,065.45 and 1,889.02 is: 2,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.73 : 3,065.45 = 1,889.02 : x
  2. Step 2: Convert to fraction form
    2,053.73/3,065.45 = 1,889.02/x
  3. Step 3: Cross multiply
    2,053.73x = 3,065.45 × 1,889.02
  4. Step 4: Simplify right side
    2,053.73x = 5,790,690.75
  5. Step 5: Solve for x
    x = 5,790,690.75/2,053.73
  6. Step 6: Final answer
    x = 2,819.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.