Home / 3,312.59-4,571.51-1,896.17

Finding the Fourth Proportional to 3,312.59, 4,571.51 and 1,896.17

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Solution

The fourth proportional to 3,312.59, 4,571.51 and 1,896.17 is: 2,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.59 : 4,571.51 = 1,896.17 : x
  2. Step 2: Convert to fraction form
    3,312.59/4,571.51 = 1,896.17/x
  3. Step 3: Cross multiply
    3,312.59x = 4,571.51 × 1,896.17
  4. Step 4: Simplify right side
    3,312.59x = 8,668,327.78
  5. Step 5: Solve for x
    x = 8,668,327.78/3,312.59
  6. Step 6: Final answer
    x = 2,616.79

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1.5x scale

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.