Home / 3,107.15-4,288.36-1,848.26

Finding the Fourth Proportional to 3,107.15, 4,288.36 and 1,848.26

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Solution

The fourth proportional to 3,107.15, 4,288.36 and 1,848.26 is: 2,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.15 : 4,288.36 = 1,848.26 : x
  2. Step 2: Convert to fraction form
    3,107.15/4,288.36 = 1,848.26/x
  3. Step 3: Cross multiply
    3,107.15x = 4,288.36 × 1,848.26
  4. Step 4: Simplify right side
    3,107.15x = 7,926,004.25
  5. Step 5: Solve for x
    x = 7,926,004.25/3,107.15
  6. Step 6: Final answer
    x = 2,550.89

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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.