Home / 5,708.74-8,562.66-1,813.18

Finding the Fourth Proportional to 5,708.74, 8,562.66 and 1,813.18

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Solution

The fourth proportional to 5,708.74, 8,562.66 and 1,813.18 is: 2,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.74 : 8,562.66 = 1,813.18 : x
  2. Step 2: Convert to fraction form
    5,708.74/8,562.66 = 1,813.18/x
  3. Step 3: Cross multiply
    5,708.74x = 8,562.66 × 1,813.18
  4. Step 4: Simplify right side
    5,708.74x = 15,525,643.86
  5. Step 5: Solve for x
    x = 15,525,643.86/5,708.74
  6. Step 6: Final answer
    x = 2,719.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.