Home / 3,175.95-4,382.73-1,831.53

Finding the Fourth Proportional to 3,175.95, 4,382.73 and 1,831.53

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Solution

The fourth proportional to 3,175.95, 4,382.73 and 1,831.53 is: 2,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.95 : 4,382.73 = 1,831.53 : x
  2. Step 2: Convert to fraction form
    3,175.95/4,382.73 = 1,831.53/x
  3. Step 3: Cross multiply
    3,175.95x = 4,382.73 × 1,831.53
  4. Step 4: Simplify right side
    3,175.95x = 8,027,088.11
  5. Step 5: Solve for x
    x = 8,027,088.11/3,175.95
  6. Step 6: Final answer
    x = 2,527.46

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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.