Home / 3,931.46-5,895.74-1,157.41

Finding the Fourth Proportional to 3,931.46, 5,895.74 and 1,157.41

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Solution

The fourth proportional to 3,931.46, 5,895.74 and 1,157.41 is: 1,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.46 : 5,895.74 = 1,157.41 : x
  2. Step 2: Convert to fraction form
    3,931.46/5,895.74 = 1,157.41/x
  3. Step 3: Cross multiply
    3,931.46x = 5,895.74 × 1,157.41
  4. Step 4: Simplify right side
    3,931.46x = 6,823,782.65
  5. Step 5: Solve for x
    x = 6,823,782.65/3,931.46
  6. Step 6: Final answer
    x = 1,735.69

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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.