Home / 4,955.54-6,838.58-2,686.84

Finding the Fourth Proportional to 4,955.54, 6,838.58 and 2,686.84

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Solution

The fourth proportional to 4,955.54, 6,838.58 and 2,686.84 is: 3,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.54 : 6,838.58 = 2,686.84 : x
  2. Step 2: Convert to fraction form
    4,955.54/6,838.58 = 2,686.84/x
  3. Step 3: Cross multiply
    4,955.54x = 6,838.58 × 2,686.84
  4. Step 4: Simplify right side
    4,955.54x = 18,374,159.91
  5. Step 5: Solve for x
    x = 18,374,159.91/4,955.54
  6. Step 6: Final answer
    x = 3,707.81

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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.