Home / 7,558.72-10,431.69-4,202.19

Finding the Fourth Proportional to 7,558.72, 10,431.69 and 4,202.19

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Solution

The fourth proportional to 7,558.72, 10,431.69 and 4,202.19 is: 5,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.72 : 10,431.69 = 4,202.19 : x
  2. Step 2: Convert to fraction form
    7,558.72/10,431.69 = 4,202.19/x
  3. Step 3: Cross multiply
    7,558.72x = 10,431.69 × 4,202.19
  4. Step 4: Simplify right side
    7,558.72x = 43,835,943.40
  5. Step 5: Solve for x
    x = 43,835,943.40/7,558.72
  6. Step 6: Final answer
    x = 5,799.39

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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.