Home / 3,482.14-5,222.40-1,631.50

Finding the Fourth Proportional to 3,482.14, 5,222.40 and 1,631.50

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Solution

The fourth proportional to 3,482.14, 5,222.40 and 1,631.50 is: 2,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.14 : 5,222.40 = 1,631.50 : x
  2. Step 2: Convert to fraction form
    3,482.14/5,222.40 = 1,631.50/x
  3. Step 3: Cross multiply
    3,482.14x = 5,222.40 × 1,631.50
  4. Step 4: Simplify right side
    3,482.14x = 8,520,345.60
  5. Step 5: Solve for x
    x = 8,520,345.60/3,482.14
  6. Step 6: Final answer
    x = 2,446.87

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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.