Home / 3,019.37-4,168.30-2,345.67

Finding the Fourth Proportional to 3,019.37, 4,168.30 and 2,345.67

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Solution

The fourth proportional to 3,019.37, 4,168.30 and 2,345.67 is: 3,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.37 : 4,168.30 = 2,345.67 : x
  2. Step 2: Convert to fraction form
    3,019.37/4,168.30 = 2,345.67/x
  3. Step 3: Cross multiply
    3,019.37x = 4,168.30 × 2,345.67
  4. Step 4: Simplify right side
    3,019.37x = 9,777,476.05
  5. Step 5: Solve for x
    x = 9,777,476.05/3,019.37
  6. Step 6: Final answer
    x = 3,238.25

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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.