Home / 2,841.48-4,245.75-2,223.72

Finding the Fourth Proportional to 2,841.48, 4,245.75 and 2,223.72

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Solution

The fourth proportional to 2,841.48, 4,245.75 and 2,223.72 is: 3,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.48 : 4,245.75 = 2,223.72 : x
  2. Step 2: Convert to fraction form
    2,841.48/4,245.75 = 2,223.72/x
  3. Step 3: Cross multiply
    2,841.48x = 4,245.75 × 2,223.72
  4. Step 4: Simplify right side
    2,841.48x = 9,441,359.19
  5. Step 5: Solve for x
    x = 9,441,359.19/2,841.48
  6. Step 6: Final answer
    x = 3,322.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.