Home / 4,378.60-6,568.68-1,673.71

Finding the Fourth Proportional to 4,378.60, 6,568.68 and 1,673.71

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Solution

The fourth proportional to 4,378.60, 6,568.68 and 1,673.71 is: 2,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.60 : 6,568.68 = 1,673.71 : x
  2. Step 2: Convert to fraction form
    4,378.60/6,568.68 = 1,673.71/x
  3. Step 3: Cross multiply
    4,378.60x = 6,568.68 × 1,673.71
  4. Step 4: Simplify right side
    4,378.60x = 10,994,065.40
  5. Step 5: Solve for x
    x = 10,994,065.40/4,378.60
  6. Step 6: Final answer
    x = 2,510.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.