Home / 4,955.55-6,839.25-2,831.46

Finding the Fourth Proportional to 4,955.55, 6,839.25 and 2,831.46

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Solution

The fourth proportional to 4,955.55, 6,839.25 and 2,831.46 is: 3,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.55 : 6,839.25 = 2,831.46 : x
  2. Step 2: Convert to fraction form
    4,955.55/6,839.25 = 2,831.46/x
  3. Step 3: Cross multiply
    4,955.55x = 6,839.25 × 2,831.46
  4. Step 4: Simplify right side
    4,955.55x = 19,365,062.81
  5. Step 5: Solve for x
    x = 19,365,062.81/4,955.55
  6. Step 6: Final answer
    x = 3,907.75

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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.