Home / 7,183.35-9,912.78-4,038.93

Finding the Fourth Proportional to 7,183.35, 9,912.78 and 4,038.93

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Solution

The fourth proportional to 7,183.35, 9,912.78 and 4,038.93 is: 5,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.35 : 9,912.78 = 4,038.93 : x
  2. Step 2: Convert to fraction form
    7,183.35/9,912.78 = 4,038.93/x
  3. Step 3: Cross multiply
    7,183.35x = 9,912.78 × 4,038.93
  4. Step 4: Simplify right side
    7,183.35x = 40,037,024.53
  5. Step 5: Solve for x
    x = 40,037,024.53/7,183.35
  6. Step 6: Final answer
    x = 5,573.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.