Home / 5,511.51-7,603.35-4,164.68

Finding the Fourth Proportional to 5,511.51, 7,603.35 and 4,164.68

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Solution

The fourth proportional to 5,511.51, 7,603.35 and 4,164.68 is: 5,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.51 : 7,603.35 = 4,164.68 : x
  2. Step 2: Convert to fraction form
    5,511.51/7,603.35 = 4,164.68/x
  3. Step 3: Cross multiply
    5,511.51x = 7,603.35 × 4,164.68
  4. Step 4: Simplify right side
    5,511.51x = 31,665,523.07
  5. Step 5: Solve for x
    x = 31,665,523.07/5,511.51
  6. Step 6: Final answer
    x = 5,745.34

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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.