Home / 2,048.33-2,826.63-1,209.08

Finding the Fourth Proportional to 2,048.33, 2,826.63 and 1,209.08

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Solution

The fourth proportional to 2,048.33, 2,826.63 and 1,209.08 is: 1,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.33 : 2,826.63 = 1,209.08 : x
  2. Step 2: Convert to fraction form
    2,048.33/2,826.63 = 1,209.08/x
  3. Step 3: Cross multiply
    2,048.33x = 2,826.63 × 1,209.08
  4. Step 4: Simplify right side
    2,048.33x = 3,417,621.80
  5. Step 5: Solve for x
    x = 3,417,621.80/2,048.33
  6. Step 6: Final answer
    x = 1,668.49

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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.