Home / 2,623.18-3,616.63-2,149.33

Finding the Fourth Proportional to 2,623.18, 3,616.63 and 2,149.33

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Solution

The fourth proportional to 2,623.18, 3,616.63 and 2,149.33 is: 2,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.18 : 3,616.63 = 2,149.33 : x
  2. Step 2: Convert to fraction form
    2,623.18/3,616.63 = 2,149.33/x
  3. Step 3: Cross multiply
    2,623.18x = 3,616.63 × 2,149.33
  4. Step 4: Simplify right side
    2,623.18x = 7,773,331.36
  5. Step 5: Solve for x
    x = 7,773,331.36/2,623.18
  6. Step 6: Final answer
    x = 2,963.32

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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.