Home / 2,943.02-4,407.81-1,405.10

Finding the Fourth Proportional to 2,943.02, 4,407.81 and 1,405.10

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Solution

The fourth proportional to 2,943.02, 4,407.81 and 1,405.10 is: 2,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.02 : 4,407.81 = 1,405.10 : x
  2. Step 2: Convert to fraction form
    2,943.02/4,407.81 = 1,405.10/x
  3. Step 3: Cross multiply
    2,943.02x = 4,407.81 × 1,405.10
  4. Step 4: Simplify right side
    2,943.02x = 6,193,413.83
  5. Step 5: Solve for x
    x = 6,193,413.83/2,943.02
  6. Step 6: Final answer
    x = 2,104.44

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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.