Home / 2,006.65-2,769.18-1,122.46

Finding the Fourth Proportional to 2,006.65, 2,769.18 and 1,122.46

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Solution

The fourth proportional to 2,006.65, 2,769.18 and 1,122.46 is: 1,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.65 : 2,769.18 = 1,122.46 : x
  2. Step 2: Convert to fraction form
    2,006.65/2,769.18 = 1,122.46/x
  3. Step 3: Cross multiply
    2,006.65x = 2,769.18 × 1,122.46
  4. Step 4: Simplify right side
    2,006.65x = 3,108,293.78
  5. Step 5: Solve for x
    x = 3,108,293.78/2,006.65
  6. Step 6: Final answer
    x = 1,549.00

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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.