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Finding the Fourth Proportional to 3,560.40, 4,913.13 and 1,967.01

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Solution

The fourth proportional to 3,560.40, 4,913.13 and 1,967.01 is: 2,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.40 : 4,913.13 = 1,967.01 : x
  2. Step 2: Convert to fraction form
    3,560.40/4,913.13 = 1,967.01/x
  3. Step 3: Cross multiply
    3,560.40x = 4,913.13 × 1,967.01
  4. Step 4: Simplify right side
    3,560.40x = 9,664,183.22
  5. Step 5: Solve for x
    x = 9,664,183.22/3,560.40
  6. Step 6: Final answer
    x = 2,714.35

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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.