Home / 1,900.46-2,622.66-1,114.32

Finding the Fourth Proportional to 1,900.46, 2,622.66 and 1,114.32

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Solution

The fourth proportional to 1,900.46, 2,622.66 and 1,114.32 is: 1,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.46 : 2,622.66 = 1,114.32 : x
  2. Step 2: Convert to fraction form
    1,900.46/2,622.66 = 1,114.32/x
  3. Step 3: Cross multiply
    1,900.46x = 2,622.66 × 1,114.32
  4. Step 4: Simplify right side
    1,900.46x = 2,922,482.49
  5. Step 5: Solve for x
    x = 2,922,482.49/1,900.46
  6. Step 6: Final answer
    x = 1,537.78

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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.