Home / 5,558.42-7,669.68-3,434.24

Finding the Fourth Proportional to 5,558.42, 7,669.68 and 3,434.24

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Solution

The fourth proportional to 5,558.42, 7,669.68 and 3,434.24 is: 4,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.42 : 7,669.68 = 3,434.24 : x
  2. Step 2: Convert to fraction form
    5,558.42/7,669.68 = 3,434.24/x
  3. Step 3: Cross multiply
    5,558.42x = 7,669.68 × 3,434.24
  4. Step 4: Simplify right side
    5,558.42x = 26,339,521.84
  5. Step 5: Solve for x
    x = 26,339,521.84/5,558.42
  6. Step 6: Final answer
    x = 4,738.67

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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.