Home / 2,511.33-3,465.52-1,392.26

Finding the Fourth Proportional to 2,511.33, 3,465.52 and 1,392.26

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Solution

The fourth proportional to 2,511.33, 3,465.52 and 1,392.26 is: 1,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.33 : 3,465.52 = 1,392.26 : x
  2. Step 2: Convert to fraction form
    2,511.33/3,465.52 = 1,392.26/x
  3. Step 3: Cross multiply
    2,511.33x = 3,465.52 × 1,392.26
  4. Step 4: Simplify right side
    2,511.33x = 4,824,904.88
  5. Step 5: Solve for x
    x = 4,824,904.88/2,511.33
  6. Step 6: Final answer
    x = 1,921.25

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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.