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Finding the Fourth Proportional to 2,908.71, 4,014.32 and 1,714.07

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Solution

The fourth proportional to 2,908.71, 4,014.32 and 1,714.07 is: 2,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.71 : 4,014.32 = 1,714.07 : x
  2. Step 2: Convert to fraction form
    2,908.71/4,014.32 = 1,714.07/x
  3. Step 3: Cross multiply
    2,908.71x = 4,014.32 × 1,714.07
  4. Step 4: Simplify right side
    2,908.71x = 6,880,827.88
  5. Step 5: Solve for x
    x = 6,880,827.88/2,908.71
  6. Step 6: Final answer
    x = 2,365.59

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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.