Home / 3,498.75-4,828.59-1,927.15

Finding the Fourth Proportional to 3,498.75, 4,828.59 and 1,927.15

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Solution

The fourth proportional to 3,498.75, 4,828.59 and 1,927.15 is: 2,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.75 : 4,828.59 = 1,927.15 : x
  2. Step 2: Convert to fraction form
    3,498.75/4,828.59 = 1,927.15/x
  3. Step 3: Cross multiply
    3,498.75x = 4,828.59 × 1,927.15
  4. Step 4: Simplify right side
    3,498.75x = 9,305,405.15
  5. Step 5: Solve for x
    x = 9,305,405.15/3,498.75
  6. Step 6: Final answer
    x = 2,659.64

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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.