Home / 1,811.93-2,500.46-1,065.89

Finding the Fourth Proportional to 1,811.93, 2,500.46 and 1,065.89

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Solution

The fourth proportional to 1,811.93, 2,500.46 and 1,065.89 is: 1,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.93 : 2,500.46 = 1,065.89 : x
  2. Step 2: Convert to fraction form
    1,811.93/2,500.46 = 1,065.89/x
  3. Step 3: Cross multiply
    1,811.93x = 2,500.46 × 1,065.89
  4. Step 4: Simplify right side
    1,811.93x = 2,665,197.48
  5. Step 5: Solve for x
    x = 2,665,197.48/1,811.93
  6. Step 6: Final answer
    x = 1,470.92

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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.