Home / 2,772.23-3,825.12-1,764.35

Finding the Fourth Proportional to 2,772.23, 3,825.12 and 1,764.35

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Solution

The fourth proportional to 2,772.23, 3,825.12 and 1,764.35 is: 2,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.23 : 3,825.12 = 1,764.35 : x
  2. Step 2: Convert to fraction form
    2,772.23/3,825.12 = 1,764.35/x
  3. Step 3: Cross multiply
    2,772.23x = 3,825.12 × 1,764.35
  4. Step 4: Simplify right side
    2,772.23x = 6,748,831.35
  5. Step 5: Solve for x
    x = 6,748,831.35/2,772.23
  6. Step 6: Final answer
    x = 2,434.44

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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.