Home / 2,579.06-3,559.02-1,400.12

Finding the Fourth Proportional to 2,579.06, 3,559.02 and 1,400.12

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Solution

The fourth proportional to 2,579.06, 3,559.02 and 1,400.12 is: 1,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.06 : 3,559.02 = 1,400.12 : x
  2. Step 2: Convert to fraction form
    2,579.06/3,559.02 = 1,400.12/x
  3. Step 3: Cross multiply
    2,579.06x = 3,559.02 × 1,400.12
  4. Step 4: Simplify right side
    2,579.06x = 4,983,055.08
  5. Step 5: Solve for x
    x = 4,983,055.08/2,579.06
  6. Step 6: Final answer
    x = 1,932.12

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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.