Home / 4,955.99-6,839.40-2,831.83

Finding the Fourth Proportional to 4,955.99, 6,839.40 and 2,831.83

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Solution

The fourth proportional to 4,955.99, 6,839.40 and 2,831.83 is: 3,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.99 : 6,839.40 = 2,831.83 : x
  2. Step 2: Convert to fraction form
    4,955.99/6,839.40 = 2,831.83/x
  3. Step 3: Cross multiply
    4,955.99x = 6,839.40 × 2,831.83
  4. Step 4: Simplify right side
    4,955.99x = 19,368,011.62
  5. Step 5: Solve for x
    x = 19,368,011.62/4,955.99
  6. Step 6: Final answer
    x = 3,908.00

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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.