Home / 4,674.18-6,442.55-4,105.56

Finding the Fourth Proportional to 4,674.18, 6,442.55 and 4,105.56

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Solution

The fourth proportional to 4,674.18, 6,442.55 and 4,105.56 is: 5,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.18 : 6,442.55 = 4,105.56 : x
  2. Step 2: Convert to fraction form
    4,674.18/6,442.55 = 4,105.56/x
  3. Step 3: Cross multiply
    4,674.18x = 6,442.55 × 4,105.56
  4. Step 4: Simplify right side
    4,674.18x = 26,450,222.84
  5. Step 5: Solve for x
    x = 26,450,222.84/4,674.18
  6. Step 6: Final answer
    x = 5,658.80

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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.