Home / 5,529.12-8,293.76-1,369.12

Finding the Fourth Proportional to 5,529.12, 8,293.76 and 1,369.12

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Solution

The fourth proportional to 5,529.12, 8,293.76 and 1,369.12 is: 2,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.12 : 8,293.76 = 1,369.12 : x
  2. Step 2: Convert to fraction form
    5,529.12/8,293.76 = 1,369.12/x
  3. Step 3: Cross multiply
    5,529.12x = 8,293.76 × 1,369.12
  4. Step 4: Simplify right side
    5,529.12x = 11,355,152.69
  5. Step 5: Solve for x
    x = 11,355,152.69/5,529.12
  6. Step 6: Final answer
    x = 2,053.70

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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.