Home / 2,762.14-3,811.77-1,583.17

Finding the Fourth Proportional to 2,762.14, 3,811.77 and 1,583.17

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Solution

The fourth proportional to 2,762.14, 3,811.77 and 1,583.17 is: 2,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.14 : 3,811.77 = 1,583.17 : x
  2. Step 2: Convert to fraction form
    2,762.14/3,811.77 = 1,583.17/x
  3. Step 3: Cross multiply
    2,762.14x = 3,811.77 × 1,583.17
  4. Step 4: Simplify right side
    2,762.14x = 6,034,679.91
  5. Step 5: Solve for x
    x = 6,034,679.91/2,762.14
  6. Step 6: Final answer
    x = 2,184.78

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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.