Home / 2,849.12-4,244.80-2,837.60

Finding the Fourth Proportional to 2,849.12, 4,244.80 and 2,837.60

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Solution

The fourth proportional to 2,849.12, 4,244.80 and 2,837.60 is: 4,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.12 : 4,244.80 = 2,837.60 : x
  2. Step 2: Convert to fraction form
    2,849.12/4,244.80 = 2,837.60/x
  3. Step 3: Cross multiply
    2,849.12x = 4,244.80 × 2,837.60
  4. Step 4: Simplify right side
    2,849.12x = 12,045,044.48
  5. Step 5: Solve for x
    x = 12,045,044.48/2,849.12
  6. Step 6: Final answer
    x = 4,227.64

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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.