Home / 4,009.78-5,532.55-2,330.23

Finding the Fourth Proportional to 4,009.78, 5,532.55 and 2,330.23

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Solution

The fourth proportional to 4,009.78, 5,532.55 and 2,330.23 is: 3,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.78 : 5,532.55 = 2,330.23 : x
  2. Step 2: Convert to fraction form
    4,009.78/5,532.55 = 2,330.23/x
  3. Step 3: Cross multiply
    4,009.78x = 5,532.55 × 2,330.23
  4. Step 4: Simplify right side
    4,009.78x = 12,892,110.84
  5. Step 5: Solve for x
    x = 12,892,110.84/4,009.78
  6. Step 6: Final answer
    x = 3,215.17

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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.