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Finding the Fourth Proportional to 3,012.51, 4,157.01 and 1,753.32

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Solution

The fourth proportional to 3,012.51, 4,157.01 and 1,753.32 is: 2,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.51 : 4,157.01 = 1,753.32 : x
  2. Step 2: Convert to fraction form
    3,012.51/4,157.01 = 1,753.32/x
  3. Step 3: Cross multiply
    3,012.51x = 4,157.01 × 1,753.32
  4. Step 4: Simplify right side
    3,012.51x = 7,288,568.77
  5. Step 5: Solve for x
    x = 7,288,568.77/3,012.51
  6. Step 6: Final answer
    x = 2,419.43

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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.