Home / 1,356.23-2,034.52-382.41

Finding the Fourth Proportional to 1,356.23, 2,034.52 and 382.41

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Solution

The fourth proportional to 1,356.23, 2,034.52 and 382.41 is: 573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.23 : 2,034.52 = 382.41 : x
  2. Step 2: Convert to fraction form
    1,356.23/2,034.52 = 382.41/x
  3. Step 3: Cross multiply
    1,356.23x = 2,034.52 × 382.41
  4. Step 4: Simplify right side
    1,356.23x = 778,019.84
  5. Step 5: Solve for x
    x = 778,019.84/1,356.23
  6. Step 6: Final answer
    x = 573.66

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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.