Home / 2,356.46-3,533.67-1,121.61

Finding the Fourth Proportional to 2,356.46, 3,533.67 and 1,121.61

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Solution

The fourth proportional to 2,356.46, 3,533.67 and 1,121.61 is: 1,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.46 : 3,533.67 = 1,121.61 : x
  2. Step 2: Convert to fraction form
    2,356.46/3,533.67 = 1,121.61/x
  3. Step 3: Cross multiply
    2,356.46x = 3,533.67 × 1,121.61
  4. Step 4: Simplify right side
    2,356.46x = 3,963,394.00
  5. Step 5: Solve for x
    x = 3,963,394.00/2,356.46
  6. Step 6: Final answer
    x = 1,681.93

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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.