Home / 3,862.91-5,330.75-2,184.25

Finding the Fourth Proportional to 3,862.91, 5,330.75 and 2,184.25

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Solution

The fourth proportional to 3,862.91, 5,330.75 and 2,184.25 is: 3,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.91 : 5,330.75 = 2,184.25 : x
  2. Step 2: Convert to fraction form
    3,862.91/5,330.75 = 2,184.25/x
  3. Step 3: Cross multiply
    3,862.91x = 5,330.75 × 2,184.25
  4. Step 4: Simplify right side
    3,862.91x = 11,643,690.69
  5. Step 5: Solve for x
    x = 11,643,690.69/3,862.91
  6. Step 6: Final answer
    x = 3,014.23

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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.