Home / 3,384.18-4,670.13-1,968.15

Finding the Fourth Proportional to 3,384.18, 4,670.13 and 1,968.15

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Solution

The fourth proportional to 3,384.18, 4,670.13 and 1,968.15 is: 2,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.18 : 4,670.13 = 1,968.15 : x
  2. Step 2: Convert to fraction form
    3,384.18/4,670.13 = 1,968.15/x
  3. Step 3: Cross multiply
    3,384.18x = 4,670.13 × 1,968.15
  4. Step 4: Simplify right side
    3,384.18x = 9,191,516.36
  5. Step 5: Solve for x
    x = 9,191,516.36/3,384.18
  6. Step 6: Final answer
    x = 2,716.02

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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.