Home / 5,921.67-8,172.48-4,426.99

Finding the Fourth Proportional to 5,921.67, 8,172.48 and 4,426.99

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Solution

The fourth proportional to 5,921.67, 8,172.48 and 4,426.99 is: 6,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.67 : 8,172.48 = 4,426.99 : x
  2. Step 2: Convert to fraction form
    5,921.67/8,172.48 = 4,426.99/x
  3. Step 3: Cross multiply
    5,921.67x = 8,172.48 × 4,426.99
  4. Step 4: Simplify right side
    5,921.67x = 36,179,465.53
  5. Step 5: Solve for x
    x = 36,179,465.53/5,921.67
  6. Step 6: Final answer
    x = 6,109.67

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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.