Home / 2,048.84-2,827.00-1,209.58

Finding the Fourth Proportional to 2,048.84, 2,827.00 and 1,209.58

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Solution

The fourth proportional to 2,048.84, 2,827.00 and 1,209.58 is: 1,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.84 : 2,827.00 = 1,209.58 : x
  2. Step 2: Convert to fraction form
    2,048.84/2,827.00 = 1,209.58/x
  3. Step 3: Cross multiply
    2,048.84x = 2,827.00 × 1,209.58
  4. Step 4: Simplify right side
    2,048.84x = 3,419,493.01
  5. Step 5: Solve for x
    x = 3,419,493.01/2,048.84
  6. Step 6: Final answer
    x = 1,668.99

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1.5x scale

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.