Home / 7,181.48-10,751.34-4,399.70

Finding the Fourth Proportional to 7,181.48, 10,751.34 and 4,399.70

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Solution

The fourth proportional to 7,181.48, 10,751.34 and 4,399.70 is: 6,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.48 : 10,751.34 = 4,399.70 : x
  2. Step 2: Convert to fraction form
    7,181.48/10,751.34 = 4,399.70/x
  3. Step 3: Cross multiply
    7,181.48x = 10,751.34 × 4,399.70
  4. Step 4: Simplify right side
    7,181.48x = 47,302,670.60
  5. Step 5: Solve for x
    x = 47,302,670.60/7,181.48
  6. Step 6: Final answer
    x = 6,586.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.