Home / 5,132.51-7,698.77-1,236.92

Finding the Fourth Proportional to 5,132.51, 7,698.77 and 1,236.92

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Solution

The fourth proportional to 5,132.51, 7,698.77 and 1,236.92 is: 1,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.51 : 7,698.77 = 1,236.92 : x
  2. Step 2: Convert to fraction form
    5,132.51/7,698.77 = 1,236.92/x
  3. Step 3: Cross multiply
    5,132.51x = 7,698.77 × 1,236.92
  4. Step 4: Simplify right side
    5,132.51x = 9,522,717.91
  5. Step 5: Solve for x
    x = 9,522,717.91/5,132.51
  6. Step 6: Final answer
    x = 1,855.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.