Home / 3,313.45-4,569.91-2,180.28

Finding the Fourth Proportional to 3,313.45, 4,569.91 and 2,180.28

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Solution

The fourth proportional to 3,313.45, 4,569.91 and 2,180.28 is: 3,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.45 : 4,569.91 = 2,180.28 : x
  2. Step 2: Convert to fraction form
    3,313.45/4,569.91 = 2,180.28/x
  3. Step 3: Cross multiply
    3,313.45x = 4,569.91 × 2,180.28
  4. Step 4: Simplify right side
    3,313.45x = 9,963,683.37
  5. Step 5: Solve for x
    x = 9,963,683.37/3,313.45
  6. Step 6: Final answer
    x = 3,007.04

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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.