Home / 2,802.14-3,866.92-1,623.20

Finding the Fourth Proportional to 2,802.14, 3,866.92 and 1,623.20

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Solution

The fourth proportional to 2,802.14, 3,866.92 and 1,623.20 is: 2,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.14 : 3,866.92 = 1,623.20 : x
  2. Step 2: Convert to fraction form
    2,802.14/3,866.92 = 1,623.20/x
  3. Step 3: Cross multiply
    2,802.14x = 3,866.92 × 1,623.20
  4. Step 4: Simplify right side
    2,802.14x = 6,276,784.54
  5. Step 5: Solve for x
    x = 6,276,784.54/2,802.14
  6. Step 6: Final answer
    x = 2,240.00

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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.