Home / 2,579.37-3,559.53-1,400.44

Finding the Fourth Proportional to 2,579.37, 3,559.53 and 1,400.44

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Solution

The fourth proportional to 2,579.37, 3,559.53 and 1,400.44 is: 1,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.37 : 3,559.53 = 1,400.44 : x
  2. Step 2: Convert to fraction form
    2,579.37/3,559.53 = 1,400.44/x
  3. Step 3: Cross multiply
    2,579.37x = 3,559.53 × 1,400.44
  4. Step 4: Simplify right side
    2,579.37x = 4,984,908.19
  5. Step 5: Solve for x
    x = 4,984,908.19/2,579.37
  6. Step 6: Final answer
    x = 1,932.61

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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.