Home / 5,109.02-7,664.13-1,822.58

Finding the Fourth Proportional to 5,109.02, 7,664.13 and 1,822.58

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Solution

The fourth proportional to 5,109.02, 7,664.13 and 1,822.58 is: 2,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.02 : 7,664.13 = 1,822.58 : x
  2. Step 2: Convert to fraction form
    5,109.02/7,664.13 = 1,822.58/x
  3. Step 3: Cross multiply
    5,109.02x = 7,664.13 × 1,822.58
  4. Step 4: Simplify right side
    5,109.02x = 13,968,490.06
  5. Step 5: Solve for x
    x = 13,968,490.06/5,109.02
  6. Step 6: Final answer
    x = 2,734.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.