Home / 2,568.53-3,539.32-1,772.10

Finding the Fourth Proportional to 2,568.53, 3,539.32 and 1,772.10

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Solution

The fourth proportional to 2,568.53, 3,539.32 and 1,772.10 is: 2,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.53 : 3,539.32 = 1,772.10 : x
  2. Step 2: Convert to fraction form
    2,568.53/3,539.32 = 1,772.10/x
  3. Step 3: Cross multiply
    2,568.53x = 3,539.32 × 1,772.10
  4. Step 4: Simplify right side
    2,568.53x = 6,272,024.54
  5. Step 5: Solve for x
    x = 6,272,024.54/2,568.53
  6. Step 6: Final answer
    x = 2,441.87

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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.