Home / 3,059.13-4,221.81-2,862.30

Finding the Fourth Proportional to 3,059.13, 4,221.81 and 2,862.30

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Solution

The fourth proportional to 3,059.13, 4,221.81 and 2,862.30 is: 3,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.13 : 4,221.81 = 2,862.30 : x
  2. Step 2: Convert to fraction form
    3,059.13/4,221.81 = 2,862.30/x
  3. Step 3: Cross multiply
    3,059.13x = 4,221.81 × 2,862.30
  4. Step 4: Simplify right side
    3,059.13x = 12,084,086.76
  5. Step 5: Solve for x
    x = 12,084,086.76/3,059.13
  6. Step 6: Final answer
    x = 3,950.17

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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.