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Finding the Fourth Proportional to 1,853.64, 2,557.91 and 1,014.19

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Solution

The fourth proportional to 1,853.64, 2,557.91 and 1,014.19 is: 1,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.64 : 2,557.91 = 1,014.19 : x
  2. Step 2: Convert to fraction form
    1,853.64/2,557.91 = 1,014.19/x
  3. Step 3: Cross multiply
    1,853.64x = 2,557.91 × 1,014.19
  4. Step 4: Simplify right side
    1,853.64x = 2,594,202.88
  5. Step 5: Solve for x
    x = 2,594,202.88/1,853.64
  6. Step 6: Final answer
    x = 1,399.52

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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.