Home / 2,435.78-3,362.45-1,552.75

Finding the Fourth Proportional to 2,435.78, 3,362.45 and 1,552.75

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Solution

The fourth proportional to 2,435.78, 3,362.45 and 1,552.75 is: 2,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.78 : 3,362.45 = 1,552.75 : x
  2. Step 2: Convert to fraction form
    2,435.78/3,362.45 = 1,552.75/x
  3. Step 3: Cross multiply
    2,435.78x = 3,362.45 × 1,552.75
  4. Step 4: Simplify right side
    2,435.78x = 5,221,028.07
  5. Step 5: Solve for x
    x = 5,221,028.07/2,435.78
  6. Step 6: Final answer
    x = 2,143.47

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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.