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Finding the Fourth Proportional to 3,598.46, 4,964.74 and 2,420.21

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Solution

The fourth proportional to 3,598.46, 4,964.74 and 2,420.21 is: 3,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.46 : 4,964.74 = 2,420.21 : x
  2. Step 2: Convert to fraction form
    3,598.46/4,964.74 = 2,420.21/x
  3. Step 3: Cross multiply
    3,598.46x = 4,964.74 × 2,420.21
  4. Step 4: Simplify right side
    3,598.46x = 12,015,733.37
  5. Step 5: Solve for x
    x = 12,015,733.37/3,598.46
  6. Step 6: Final answer
    x = 3,339.13

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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.