Home / 3,212.48-4,818.54-1,132.58

Finding the Fourth Proportional to 3,212.48, 4,818.54 and 1,132.58

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Solution

The fourth proportional to 3,212.48, 4,818.54 and 1,132.58 is: 1,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.48 : 4,818.54 = 1,132.58 : x
  2. Step 2: Convert to fraction form
    3,212.48/4,818.54 = 1,132.58/x
  3. Step 3: Cross multiply
    3,212.48x = 4,818.54 × 1,132.58
  4. Step 4: Simplify right side
    3,212.48x = 5,457,382.03
  5. Step 5: Solve for x
    x = 5,457,382.03/3,212.48
  6. Step 6: Final answer
    x = 1,698.81

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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.