Home / 2,064.70-2,849.12-1,133.20

Finding the Fourth Proportional to 2,064.70, 2,849.12 and 1,133.20

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Solution

The fourth proportional to 2,064.70, 2,849.12 and 1,133.20 is: 1,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.70 : 2,849.12 = 1,133.20 : x
  2. Step 2: Convert to fraction form
    2,064.70/2,849.12 = 1,133.20/x
  3. Step 3: Cross multiply
    2,064.70x = 2,849.12 × 1,133.20
  4. Step 4: Simplify right side
    2,064.70x = 3,228,622.78
  5. Step 5: Solve for x
    x = 3,228,622.78/2,064.70
  6. Step 6: Final answer
    x = 1,563.72

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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.