Home / 3,590.16-4,954.84-2,018.76

Finding the Fourth Proportional to 3,590.16, 4,954.84 and 2,018.76

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Solution

The fourth proportional to 3,590.16, 4,954.84 and 2,018.76 is: 2,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.16 : 4,954.84 = 2,018.76 : x
  2. Step 2: Convert to fraction form
    3,590.16/4,954.84 = 2,018.76/x
  3. Step 3: Cross multiply
    3,590.16x = 4,954.84 × 2,018.76
  4. Step 4: Simplify right side
    3,590.16x = 10,002,609.17
  5. Step 5: Solve for x
    x = 10,002,609.17/3,590.16
  6. Step 6: Final answer
    x = 2,786.12

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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.