Home / 5,925.26-8,172.33-5,287.79

Finding the Fourth Proportional to 5,925.26, 8,172.33 and 5,287.79

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Solution

The fourth proportional to 5,925.26, 8,172.33 and 5,287.79 is: 7,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,925.26 : 8,172.33 = 5,287.79 : x
  2. Step 2: Convert to fraction form
    5,925.26/8,172.33 = 5,287.79/x
  3. Step 3: Cross multiply
    5,925.26x = 8,172.33 × 5,287.79
  4. Step 4: Simplify right side
    5,925.26x = 43,213,523.99
  5. Step 5: Solve for x
    x = 43,213,523.99/5,925.26
  6. Step 6: Final answer
    x = 7,293.11

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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.