Home / 1,901.15-2,626.10-1,529.53

Finding the Fourth Proportional to 1,901.15, 2,626.10 and 1,529.53

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Solution

The fourth proportional to 1,901.15, 2,626.10 and 1,529.53 is: 2,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.15 : 2,626.10 = 1,529.53 : x
  2. Step 2: Convert to fraction form
    1,901.15/2,626.10 = 1,529.53/x
  3. Step 3: Cross multiply
    1,901.15x = 2,626.10 × 1,529.53
  4. Step 4: Simplify right side
    1,901.15x = 4,016,695.99
  5. Step 5: Solve for x
    x = 4,016,695.99/1,901.15
  6. Step 6: Final answer
    x = 2,112.78

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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.