Home / 2,416.18-3,624.84-684.76

Finding the Fourth Proportional to 2,416.18, 3,624.84 and 684.76

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Solution

The fourth proportional to 2,416.18, 3,624.84 and 684.76 is: 1,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.18 : 3,624.84 = 684.76 : x
  2. Step 2: Convert to fraction form
    2,416.18/3,624.84 = 684.76/x
  3. Step 3: Cross multiply
    2,416.18x = 3,624.84 × 684.76
  4. Step 4: Simplify right side
    2,416.18x = 2,482,145.44
  5. Step 5: Solve for x
    x = 2,482,145.44/2,416.18
  6. Step 6: Final answer
    x = 1,027.30

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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.