Home / 2,356.17-3,534.27-624.78

Finding the Fourth Proportional to 2,356.17, 3,534.27 and 624.78

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Solution

The fourth proportional to 2,356.17, 3,534.27 and 624.78 is: 937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.17 : 3,534.27 = 624.78 : x
  2. Step 2: Convert to fraction form
    2,356.17/3,534.27 = 624.78/x
  3. Step 3: Cross multiply
    2,356.17x = 3,534.27 × 624.78
  4. Step 4: Simplify right side
    2,356.17x = 2,208,141.21
  5. Step 5: Solve for x
    x = 2,208,141.21/2,356.17
  6. Step 6: Final answer
    x = 937.17

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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.