Home / 2,080.02-2,869.87-1,240.34

Finding the Fourth Proportional to 2,080.02, 2,869.87 and 1,240.34

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Solution

The fourth proportional to 2,080.02, 2,869.87 and 1,240.34 is: 1,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.02 : 2,869.87 = 1,240.34 : x
  2. Step 2: Convert to fraction form
    2,080.02/2,869.87 = 1,240.34/x
  3. Step 3: Cross multiply
    2,080.02x = 2,869.87 × 1,240.34
  4. Step 4: Simplify right side
    2,080.02x = 3,559,608.35
  5. Step 5: Solve for x
    x = 3,559,608.35/2,080.02
  6. Step 6: Final answer
    x = 1,711.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.