Home / 1,732.57-2,390.95-946.62

Finding the Fourth Proportional to 1,732.57, 2,390.95 and 946.62

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Solution

The fourth proportional to 1,732.57, 2,390.95 and 946.62 is: 1,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.57 : 2,390.95 = 946.62 : x
  2. Step 2: Convert to fraction form
    1,732.57/2,390.95 = 946.62/x
  3. Step 3: Cross multiply
    1,732.57x = 2,390.95 × 946.62
  4. Step 4: Simplify right side
    1,732.57x = 2,263,316.95
  5. Step 5: Solve for x
    x = 2,263,316.95/1,732.57
  6. Step 6: Final answer
    x = 1,306.33

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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.