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Finding the Fourth Proportional to 3,164.07, 4,746.09 and 1,314.15

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Solution

The fourth proportional to 3,164.07, 4,746.09 and 1,314.15 is: 1,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.07 : 4,746.09 = 1,314.15 : x
  2. Step 2: Convert to fraction form
    3,164.07/4,746.09 = 1,314.15/x
  3. Step 3: Cross multiply
    3,164.07x = 4,746.09 × 1,314.15
  4. Step 4: Simplify right side
    3,164.07x = 6,237,074.17
  5. Step 5: Solve for x
    x = 6,237,074.17/3,164.07
  6. Step 6: Final answer
    x = 1,971.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.