Home / 2,208.45-3,047.52-1,264.24

Finding the Fourth Proportional to 2,208.45, 3,047.52 and 1,264.24

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Solution

The fourth proportional to 2,208.45, 3,047.52 and 1,264.24 is: 1,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.45 : 3,047.52 = 1,264.24 : x
  2. Step 2: Convert to fraction form
    2,208.45/3,047.52 = 1,264.24/x
  3. Step 3: Cross multiply
    2,208.45x = 3,047.52 × 1,264.24
  4. Step 4: Simplify right side
    2,208.45x = 3,852,789.07
  5. Step 5: Solve for x
    x = 3,852,789.07/2,208.45
  6. Step 6: Final answer
    x = 1,744.57

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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.