Home / 3,931.33-5,897.55-1,157.62

Finding the Fourth Proportional to 3,931.33, 5,897.55 and 1,157.62

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Solution

The fourth proportional to 3,931.33, 5,897.55 and 1,157.62 is: 1,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.33 : 5,897.55 = 1,157.62 : x
  2. Step 2: Convert to fraction form
    3,931.33/5,897.55 = 1,157.62/x
  3. Step 3: Cross multiply
    3,931.33x = 5,897.55 × 1,157.62
  4. Step 4: Simplify right side
    3,931.33x = 6,827,121.83
  5. Step 5: Solve for x
    x = 6,827,121.83/3,931.33
  6. Step 6: Final answer
    x = 1,736.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.