Home / 3,401.68-4,700.18-2,455.60

Finding the Fourth Proportional to 3,401.68, 4,700.18 and 2,455.60

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Solution

The fourth proportional to 3,401.68, 4,700.18 and 2,455.60 is: 3,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.68 : 4,700.18 = 2,455.60 : x
  2. Step 2: Convert to fraction form
    3,401.68/4,700.18 = 2,455.60/x
  3. Step 3: Cross multiply
    3,401.68x = 4,700.18 × 2,455.60
  4. Step 4: Simplify right side
    3,401.68x = 11,541,762.01
  5. Step 5: Solve for x
    x = 11,541,762.01/3,401.68
  6. Step 6: Final answer
    x = 3,392.96

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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.