Home / 2,007.26-2,770.08-1,123.09

Finding the Fourth Proportional to 2,007.26, 2,770.08 and 1,123.09

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Solution

The fourth proportional to 2,007.26, 2,770.08 and 1,123.09 is: 1,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.26 : 2,770.08 = 1,123.09 : x
  2. Step 2: Convert to fraction form
    2,007.26/2,770.08 = 1,123.09/x
  3. Step 3: Cross multiply
    2,007.26x = 2,770.08 × 1,123.09
  4. Step 4: Simplify right side
    2,007.26x = 3,111,048.40
  5. Step 5: Solve for x
    x = 3,111,048.40/2,007.26
  6. Step 6: Final answer
    x = 1,549.90

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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.