Home / 4,955.60-6,831.24-3,089.36

Finding the Fourth Proportional to 4,955.60, 6,831.24 and 3,089.36

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Solution

The fourth proportional to 4,955.60, 6,831.24 and 3,089.36 is: 4,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.60 : 6,831.24 = 3,089.36 : x
  2. Step 2: Convert to fraction form
    4,955.60/6,831.24 = 3,089.36/x
  3. Step 3: Cross multiply
    4,955.60x = 6,831.24 × 3,089.36
  4. Step 4: Simplify right side
    4,955.60x = 21,104,159.61
  5. Step 5: Solve for x
    x = 21,104,159.61/4,955.60
  6. Step 6: Final answer
    x = 4,258.65

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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.