Home / 5,378.08-8,065.68-1,482.70

Finding the Fourth Proportional to 5,378.08, 8,065.68 and 1,482.70

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Solution

The fourth proportional to 5,378.08, 8,065.68 and 1,482.70 is: 2,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.08 : 8,065.68 = 1,482.70 : x
  2. Step 2: Convert to fraction form
    5,378.08/8,065.68 = 1,482.70/x
  3. Step 3: Cross multiply
    5,378.08x = 8,065.68 × 1,482.70
  4. Step 4: Simplify right side
    5,378.08x = 11,958,983.74
  5. Step 5: Solve for x
    x = 11,958,983.74/5,378.08
  6. Step 6: Final answer
    x = 2,223.65

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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.