Home / 7,558.51-10,431.10-4,201.38

Finding the Fourth Proportional to 7,558.51, 10,431.10 and 4,201.38

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Solution

The fourth proportional to 7,558.51, 10,431.10 and 4,201.38 is: 5,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.51 : 10,431.10 = 4,201.38 : x
  2. Step 2: Convert to fraction form
    7,558.51/10,431.10 = 4,201.38/x
  3. Step 3: Cross multiply
    7,558.51x = 10,431.10 × 4,201.38
  4. Step 4: Simplify right side
    7,558.51x = 43,825,014.92
  5. Step 5: Solve for x
    x = 43,825,014.92/7,558.51
  6. Step 6: Final answer
    x = 5,798.10

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Half 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.