Home / 5,579.13-7,698.90-3,060.75

Finding the Fourth Proportional to 5,579.13, 7,698.90 and 3,060.75

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Solution

The fourth proportional to 5,579.13, 7,698.90 and 3,060.75 is: 4,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.13 : 7,698.90 = 3,060.75 : x
  2. Step 2: Convert to fraction form
    5,579.13/7,698.90 = 3,060.75/x
  3. Step 3: Cross multiply
    5,579.13x = 7,698.90 × 3,060.75
  4. Step 4: Simplify right side
    5,579.13x = 23,564,408.18
  5. Step 5: Solve for x
    x = 23,564,408.18/5,579.13
  6. Step 6: Final answer
    x = 4,223.67

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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.