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Finding the Fourth Proportional to 1,674.90, 2,310.98 and 1,410.39

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Solution

The fourth proportional to 1,674.90, 2,310.98 and 1,410.39 is: 1,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.90 : 2,310.98 = 1,410.39 : x
  2. Step 2: Convert to fraction form
    1,674.90/2,310.98 = 1,410.39/x
  3. Step 3: Cross multiply
    1,674.90x = 2,310.98 × 1,410.39
  4. Step 4: Simplify right side
    1,674.90x = 3,259,376.03
  5. Step 5: Solve for x
    x = 3,259,376.03/1,674.90
  6. Step 6: Final answer
    x = 1,946.01

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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.