Home / 3,113.09-4,296.07-1,854.19

Finding the Fourth Proportional to 3,113.09, 4,296.07 and 1,854.19

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Solution

The fourth proportional to 3,113.09, 4,296.07 and 1,854.19 is: 2,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.09 : 4,296.07 = 1,854.19 : x
  2. Step 2: Convert to fraction form
    3,113.09/4,296.07 = 1,854.19/x
  3. Step 3: Cross multiply
    3,113.09x = 4,296.07 × 1,854.19
  4. Step 4: Simplify right side
    3,113.09x = 7,965,730.03
  5. Step 5: Solve for x
    x = 7,965,730.03/3,113.09
  6. Step 6: Final answer
    x = 2,558.79

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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.