Home / 3,307.44-4,564.08-1,980.84

Finding the Fourth Proportional to 3,307.44, 4,564.08 and 1,980.84

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Solution

The fourth proportional to 3,307.44, 4,564.08 and 1,980.84 is: 2,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.44 : 4,564.08 = 1,980.84 : x
  2. Step 2: Convert to fraction form
    3,307.44/4,564.08 = 1,980.84/x
  3. Step 3: Cross multiply
    3,307.44x = 4,564.08 × 1,980.84
  4. Step 4: Simplify right side
    3,307.44x = 9,040,712.23
  5. Step 5: Solve for x
    x = 9,040,712.23/3,307.44
  6. Step 6: Final answer
    x = 2,733.45

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Half scale
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Double scale
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Similar ratio
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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.