Home / 2,772.03-4,156.90-1,127.46

Finding the Fourth Proportional to 2,772.03, 4,156.90 and 1,127.46

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Solution

The fourth proportional to 2,772.03, 4,156.90 and 1,127.46 is: 1,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.03 : 4,156.90 = 1,127.46 : x
  2. Step 2: Convert to fraction form
    2,772.03/4,156.90 = 1,127.46/x
  3. Step 3: Cross multiply
    2,772.03x = 4,156.90 × 1,127.46
  4. Step 4: Simplify right side
    2,772.03x = 4,686,735.66
  5. Step 5: Solve for x
    x = 4,686,735.66/2,772.03
  6. Step 6: Final answer
    x = 1,690.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.