Home / 5,555.13-7,661.10-4,609.42

Finding the Fourth Proportional to 5,555.13, 7,661.10 and 4,609.42

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Solution

The fourth proportional to 5,555.13, 7,661.10 and 4,609.42 is: 6,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.13 : 7,661.10 = 4,609.42 : x
  2. Step 2: Convert to fraction form
    5,555.13/7,661.10 = 4,609.42/x
  3. Step 3: Cross multiply
    5,555.13x = 7,661.10 × 4,609.42
  4. Step 4: Simplify right side
    5,555.13x = 35,313,227.56
  5. Step 5: Solve for x
    x = 35,313,227.56/5,555.13
  6. Step 6: Final answer
    x = 6,356.87

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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.