Home / 1,732.45-2,390.80-946.52

Finding the Fourth Proportional to 1,732.45, 2,390.80 and 946.52

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Solution

The fourth proportional to 1,732.45, 2,390.80 and 946.52 is: 1,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.45 : 2,390.80 = 946.52 : x
  2. Step 2: Convert to fraction form
    1,732.45/2,390.80 = 946.52/x
  3. Step 3: Cross multiply
    1,732.45x = 2,390.80 × 946.52
  4. Step 4: Simplify right side
    1,732.45x = 2,262,940.02
  5. Step 5: Solve for x
    x = 2,262,940.02/1,732.45
  6. Step 6: Final answer
    x = 1,306.21

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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.