Home / 5,646.36-7,792.26-3,408.21

Finding the Fourth Proportional to 5,646.36, 7,792.26 and 3,408.21

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Solution

The fourth proportional to 5,646.36, 7,792.26 and 3,408.21 is: 4,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.36 : 7,792.26 = 3,408.21 : x
  2. Step 2: Convert to fraction form
    5,646.36/7,792.26 = 3,408.21/x
  3. Step 3: Cross multiply
    5,646.36x = 7,792.26 × 3,408.21
  4. Step 4: Simplify right side
    5,646.36x = 26,557,658.45
  5. Step 5: Solve for x
    x = 26,557,658.45/5,646.36
  6. Step 6: Final answer
    x = 4,703.50

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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.