Home / 4,007.81-5,530.43-2,328.68

Finding the Fourth Proportional to 4,007.81, 5,530.43 and 2,328.68

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Solution

The fourth proportional to 4,007.81, 5,530.43 and 2,328.68 is: 3,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.81 : 5,530.43 = 2,328.68 : x
  2. Step 2: Convert to fraction form
    4,007.81/5,530.43 = 2,328.68/x
  3. Step 3: Cross multiply
    4,007.81x = 5,530.43 × 2,328.68
  4. Step 4: Simplify right side
    4,007.81x = 12,878,562.44
  5. Step 5: Solve for x
    x = 12,878,562.44/4,007.81
  6. Step 6: Final answer
    x = 3,213.37

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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.