Home / 3,259.11-4,887.12-1,411.77

Finding the Fourth Proportional to 3,259.11, 4,887.12 and 1,411.77

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Solution

The fourth proportional to 3,259.11, 4,887.12 and 1,411.77 is: 2,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.11 : 4,887.12 = 1,411.77 : x
  2. Step 2: Convert to fraction form
    3,259.11/4,887.12 = 1,411.77/x
  3. Step 3: Cross multiply
    3,259.11x = 4,887.12 × 1,411.77
  4. Step 4: Simplify right side
    3,259.11x = 6,899,489.40
  5. Step 5: Solve for x
    x = 6,899,489.40/3,259.11
  6. Step 6: Final answer
    x = 2,116.99

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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.