Home / 2,415.13-3,623.10-1,029.13

Finding the Fourth Proportional to 2,415.13, 3,623.10 and 1,029.13

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Solution

The fourth proportional to 2,415.13, 3,623.10 and 1,029.13 is: 1,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.13 : 3,623.10 = 1,029.13 : x
  2. Step 2: Convert to fraction form
    2,415.13/3,623.10 = 1,029.13/x
  3. Step 3: Cross multiply
    2,415.13x = 3,623.10 × 1,029.13
  4. Step 4: Simplify right side
    2,415.13x = 3,728,640.90
  5. Step 5: Solve for x
    x = 3,728,640.90/2,415.13
  6. Step 6: Final answer
    x = 1,543.87

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1.5x scale

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.