Home / 5,125.89-7,071.51-3,236.16

Finding the Fourth Proportional to 5,125.89, 7,071.51 and 3,236.16

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Solution

The fourth proportional to 5,125.89, 7,071.51 and 3,236.16 is: 4,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.89 : 7,071.51 = 3,236.16 : x
  2. Step 2: Convert to fraction form
    5,125.89/7,071.51 = 3,236.16/x
  3. Step 3: Cross multiply
    5,125.89x = 7,071.51 × 3,236.16
  4. Step 4: Simplify right side
    5,125.89x = 22,884,537.80
  5. Step 5: Solve for x
    x = 22,884,537.80/5,125.89
  6. Step 6: Final answer
    x = 4,464.50

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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.