Home / 5,366.53-7,405.83-3,378.07

Finding the Fourth Proportional to 5,366.53, 7,405.83 and 3,378.07

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Solution

The fourth proportional to 5,366.53, 7,405.83 and 3,378.07 is: 4,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.53 : 7,405.83 = 3,378.07 : x
  2. Step 2: Convert to fraction form
    5,366.53/7,405.83 = 3,378.07/x
  3. Step 3: Cross multiply
    5,366.53x = 7,405.83 × 3,378.07
  4. Step 4: Simplify right side
    5,366.53x = 25,017,412.15
  5. Step 5: Solve for x
    x = 25,017,412.15/5,366.53
  6. Step 6: Final answer
    x = 4,661.75

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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.