Home / 5,580.37-7,702.05-3,222.19

Finding the Fourth Proportional to 5,580.37, 7,702.05 and 3,222.19

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Solution

The fourth proportional to 5,580.37, 7,702.05 and 3,222.19 is: 4,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.37 : 7,702.05 = 3,222.19 : x
  2. Step 2: Convert to fraction form
    5,580.37/7,702.05 = 3,222.19/x
  3. Step 3: Cross multiply
    5,580.37x = 7,702.05 × 3,222.19
  4. Step 4: Simplify right side
    5,580.37x = 24,817,468.49
  5. Step 5: Solve for x
    x = 24,817,468.49/5,580.37
  6. Step 6: Final answer
    x = 4,447.28

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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.