Home / 2,619.73-3,615.21-1,500.68

Finding the Fourth Proportional to 2,619.73, 3,615.21 and 1,500.68

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Solution

The fourth proportional to 2,619.73, 3,615.21 and 1,500.68 is: 2,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.73 : 3,615.21 = 1,500.68 : x
  2. Step 2: Convert to fraction form
    2,619.73/3,615.21 = 1,500.68/x
  3. Step 3: Cross multiply
    2,619.73x = 3,615.21 × 1,500.68
  4. Step 4: Simplify right side
    2,619.73x = 5,425,282.38
  5. Step 5: Solve for x
    x = 5,425,282.38/2,619.73
  6. Step 6: Final answer
    x = 2,070.93

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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.