Home / 2,415.02-3,621.99-1,029.11

Finding the Fourth Proportional to 2,415.02, 3,621.99 and 1,029.11

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Solution

The fourth proportional to 2,415.02, 3,621.99 and 1,029.11 is: 1,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.02 : 3,621.99 = 1,029.11 : x
  2. Step 2: Convert to fraction form
    2,415.02/3,621.99 = 1,029.11/x
  3. Step 3: Cross multiply
    2,415.02x = 3,621.99 × 1,029.11
  4. Step 4: Simplify right side
    2,415.02x = 3,727,426.13
  5. Step 5: Solve for x
    x = 3,727,426.13/2,415.02
  6. Step 6: Final answer
    x = 1,543.43

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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.