Home / 3,507.19-4,840.12-2,015.27

Finding the Fourth Proportional to 3,507.19, 4,840.12 and 2,015.27

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Solution

The fourth proportional to 3,507.19, 4,840.12 and 2,015.27 is: 2,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.19 : 4,840.12 = 2,015.27 : x
  2. Step 2: Convert to fraction form
    3,507.19/4,840.12 = 2,015.27/x
  3. Step 3: Cross multiply
    3,507.19x = 4,840.12 × 2,015.27
  4. Step 4: Simplify right side
    3,507.19x = 9,754,148.63
  5. Step 5: Solve for x
    x = 9,754,148.63/3,507.19
  6. Step 6: Final answer
    x = 2,781.19

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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.