Home / 1,831.46-2,526.54-1,201.73

Finding the Fourth Proportional to 1,831.46, 2,526.54 and 1,201.73

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Solution

The fourth proportional to 1,831.46, 2,526.54 and 1,201.73 is: 1,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.46 : 2,526.54 = 1,201.73 : x
  2. Step 2: Convert to fraction form
    1,831.46/2,526.54 = 1,201.73/x
  3. Step 3: Cross multiply
    1,831.46x = 2,526.54 × 1,201.73
  4. Step 4: Simplify right side
    1,831.46x = 3,036,218.91
  5. Step 5: Solve for x
    x = 3,036,218.91/1,831.46
  6. Step 6: Final answer
    x = 1,657.81

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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.