Home / 5,222.40-7,833.60-2,624.40

Finding the Fourth Proportional to 5,222.40, 7,833.60 and 2,624.40

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Solution

The fourth proportional to 5,222.40, 7,833.60 and 2,624.40 is: 3,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.40 : 7,833.60 = 2,624.40 : x
  2. Step 2: Convert to fraction form
    5,222.40/7,833.60 = 2,624.40/x
  3. Step 3: Cross multiply
    5,222.40x = 7,833.60 × 2,624.40
  4. Step 4: Simplify right side
    5,222.40x = 20,558,499.84
  5. Step 5: Solve for x
    x = 20,558,499.84/5,222.40
  6. Step 6: Final answer
    x = 3,936.60

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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.