Home / 5,401.21-8,099.76-2,477.46

Finding the Fourth Proportional to 5,401.21, 8,099.76 and 2,477.46

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Solution

The fourth proportional to 5,401.21, 8,099.76 and 2,477.46 is: 3,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.21 : 8,099.76 = 2,477.46 : x
  2. Step 2: Convert to fraction form
    5,401.21/8,099.76 = 2,477.46/x
  3. Step 3: Cross multiply
    5,401.21x = 8,099.76 × 2,477.46
  4. Step 4: Simplify right side
    5,401.21x = 20,066,837.84
  5. Step 5: Solve for x
    x = 20,066,837.84/5,401.21
  6. Step 6: Final answer
    x = 3,715.25

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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.