Home / 3,356.46-4,631.95-1,864.54

Finding the Fourth Proportional to 3,356.46, 4,631.95 and 1,864.54

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Solution

The fourth proportional to 3,356.46, 4,631.95 and 1,864.54 is: 2,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.46 : 4,631.95 = 1,864.54 : x
  2. Step 2: Convert to fraction form
    3,356.46/4,631.95 = 1,864.54/x
  3. Step 3: Cross multiply
    3,356.46x = 4,631.95 × 1,864.54
  4. Step 4: Simplify right side
    3,356.46x = 8,636,457.18
  5. Step 5: Solve for x
    x = 8,636,457.18/3,356.46
  6. Step 6: Final answer
    x = 2,573.09

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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.