Home / 1,621.94-2,433.13-525.95

Finding the Fourth Proportional to 1,621.94, 2,433.13 and 525.95

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Solution

The fourth proportional to 1,621.94, 2,433.13 and 525.95 is: 789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.94 : 2,433.13 = 525.95 : x
  2. Step 2: Convert to fraction form
    1,621.94/2,433.13 = 525.95/x
  3. Step 3: Cross multiply
    1,621.94x = 2,433.13 × 525.95
  4. Step 4: Simplify right side
    1,621.94x = 1,279,704.72
  5. Step 5: Solve for x
    x = 1,279,704.72/1,621.94
  6. Step 6: Final answer
    x = 789.00

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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.