Home / 4,576.81-6,859.91-2,106.45

Finding the Fourth Proportional to 4,576.81, 6,859.91 and 2,106.45

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Solution

The fourth proportional to 4,576.81, 6,859.91 and 2,106.45 is: 3,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.81 : 6,859.91 = 2,106.45 : x
  2. Step 2: Convert to fraction form
    4,576.81/6,859.91 = 2,106.45/x
  3. Step 3: Cross multiply
    4,576.81x = 6,859.91 × 2,106.45
  4. Step 4: Simplify right side
    4,576.81x = 14,450,057.42
  5. Step 5: Solve for x
    x = 14,450,057.42/4,576.81
  6. Step 6: Final answer
    x = 3,157.23

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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.