Home / 5,813.74-8,022.79-3,161.08

Finding the Fourth Proportional to 5,813.74, 8,022.79 and 3,161.08

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Solution

The fourth proportional to 5,813.74, 8,022.79 and 3,161.08 is: 4,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.74 : 8,022.79 = 3,161.08 : x
  2. Step 2: Convert to fraction form
    5,813.74/8,022.79 = 3,161.08/x
  3. Step 3: Cross multiply
    5,813.74x = 8,022.79 × 3,161.08
  4. Step 4: Simplify right side
    5,813.74x = 25,360,681.01
  5. Step 5: Solve for x
    x = 25,360,681.01/5,813.74
  6. Step 6: Final answer
    x = 4,362.20

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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.