Home / 2,776.86-3,831.39-1,597.68

Finding the Fourth Proportional to 2,776.86, 3,831.39 and 1,597.68

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Solution

The fourth proportional to 2,776.86, 3,831.39 and 1,597.68 is: 2,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.86 : 3,831.39 = 1,597.68 : x
  2. Step 2: Convert to fraction form
    2,776.86/3,831.39 = 1,597.68/x
  3. Step 3: Cross multiply
    2,776.86x = 3,831.39 × 1,597.68
  4. Step 4: Simplify right side
    2,776.86x = 6,121,335.18
  5. Step 5: Solve for x
    x = 6,121,335.18/2,776.86
  6. Step 6: Final answer
    x = 2,204.41

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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.