Home / 5,749.01-7,931.88-3,230.87

Finding the Fourth Proportional to 5,749.01, 7,931.88 and 3,230.87

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Solution

The fourth proportional to 5,749.01, 7,931.88 and 3,230.87 is: 4,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.01 : 7,931.88 = 3,230.87 : x
  2. Step 2: Convert to fraction form
    5,749.01/7,931.88 = 3,230.87/x
  3. Step 3: Cross multiply
    5,749.01x = 7,931.88 × 3,230.87
  4. Step 4: Simplify right side
    5,749.01x = 25,626,873.14
  5. Step 5: Solve for x
    x = 25,626,873.14/5,749.01
  6. Step 6: Final answer
    x = 4,457.61

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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.