Home / 7,557.75-10,431.35-4,201.71

Finding the Fourth Proportional to 7,557.75, 10,431.35 and 4,201.71

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Solution

The fourth proportional to 7,557.75, 10,431.35 and 4,201.71 is: 5,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.75 : 10,431.35 = 4,201.71 : x
  2. Step 2: Convert to fraction form
    7,557.75/10,431.35 = 4,201.71/x
  3. Step 3: Cross multiply
    7,557.75x = 10,431.35 × 4,201.71
  4. Step 4: Simplify right side
    7,557.75x = 43,829,507.61
  5. Step 5: Solve for x
    x = 43,829,507.61/7,557.75
  6. Step 6: Final answer
    x = 5,799.28

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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.