Home / 4,205.19-6,288.63-3,151.68

Finding the Fourth Proportional to 4,205.19, 6,288.63 and 3,151.68

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Solution

The fourth proportional to 4,205.19, 6,288.63 and 3,151.68 is: 4,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.19 : 6,288.63 = 3,151.68 : x
  2. Step 2: Convert to fraction form
    4,205.19/6,288.63 = 3,151.68/x
  3. Step 3: Cross multiply
    4,205.19x = 6,288.63 × 3,151.68
  4. Step 4: Simplify right side
    4,205.19x = 19,819,749.40
  5. Step 5: Solve for x
    x = 19,819,749.40/4,205.19
  6. Step 6: Final answer
    x = 4,713.16

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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.