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Finding the Fourth Proportional to 4,139.51, 5,710.51 and 2,459.73

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Solution

The fourth proportional to 4,139.51, 5,710.51 and 2,459.73 is: 3,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.51 : 5,710.51 = 2,459.73 : x
  2. Step 2: Convert to fraction form
    4,139.51/5,710.51 = 2,459.73/x
  3. Step 3: Cross multiply
    4,139.51x = 5,710.51 × 2,459.73
  4. Step 4: Simplify right side
    4,139.51x = 14,046,297.72
  5. Step 5: Solve for x
    x = 14,046,297.72/4,139.51
  6. Step 6: Final answer
    x = 3,393.23

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Half scale
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Double scale
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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.