Home / 3,157.41-4,357.36-1,760.16

Finding the Fourth Proportional to 3,157.41, 4,357.36 and 1,760.16

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Solution

The fourth proportional to 3,157.41, 4,357.36 and 1,760.16 is: 2,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.41 : 4,357.36 = 1,760.16 : x
  2. Step 2: Convert to fraction form
    3,157.41/4,357.36 = 1,760.16/x
  3. Step 3: Cross multiply
    3,157.41x = 4,357.36 × 1,760.16
  4. Step 4: Simplify right side
    3,157.41x = 7,669,626.74
  5. Step 5: Solve for x
    x = 7,669,626.74/3,157.41
  6. Step 6: Final answer
    x = 2,429.09

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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.