Home / 2,230.17-3,075.11-1,433.63

Finding the Fourth Proportional to 2,230.17, 3,075.11 and 1,433.63

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Solution

The fourth proportional to 2,230.17, 3,075.11 and 1,433.63 is: 1,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.17 : 3,075.11 = 1,433.63 : x
  2. Step 2: Convert to fraction form
    2,230.17/3,075.11 = 1,433.63/x
  3. Step 3: Cross multiply
    2,230.17x = 3,075.11 × 1,433.63
  4. Step 4: Simplify right side
    2,230.17x = 4,408,558.16
  5. Step 5: Solve for x
    x = 4,408,558.16/2,230.17
  6. Step 6: Final answer
    x = 1,976.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.