Home / 3,111.58-4,298.07-2,324.26

Finding the Fourth Proportional to 3,111.58, 4,298.07 and 2,324.26

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Solution

The fourth proportional to 3,111.58, 4,298.07 and 2,324.26 is: 3,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.58 : 4,298.07 = 2,324.26 : x
  2. Step 2: Convert to fraction form
    3,111.58/4,298.07 = 2,324.26/x
  3. Step 3: Cross multiply
    3,111.58x = 4,298.07 × 2,324.26
  4. Step 4: Simplify right side
    3,111.58x = 9,989,832.18
  5. Step 5: Solve for x
    x = 9,989,832.18/3,111.58
  6. Step 6: Final answer
    x = 3,210.53

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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.