Home / 2,080.10-2,870.50-1,135.93

Finding the Fourth Proportional to 2,080.10, 2,870.50 and 1,135.93

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Solution

The fourth proportional to 2,080.10, 2,870.50 and 1,135.93 is: 1,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.10 : 2,870.50 = 1,135.93 : x
  2. Step 2: Convert to fraction form
    2,080.10/2,870.50 = 1,135.93/x
  3. Step 3: Cross multiply
    2,080.10x = 2,870.50 × 1,135.93
  4. Step 4: Simplify right side
    2,080.10x = 3,260,687.07
  5. Step 5: Solve for x
    x = 3,260,687.07/2,080.10
  6. Step 6: Final answer
    x = 1,567.56

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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.