Home / 2,281.74-3,415.32-1,622.00

Finding the Fourth Proportional to 2,281.74, 3,415.32 and 1,622.00

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Solution

The fourth proportional to 2,281.74, 3,415.32 and 1,622.00 is: 2,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.74 : 3,415.32 = 1,622.00 : x
  2. Step 2: Convert to fraction form
    2,281.74/3,415.32 = 1,622.00/x
  3. Step 3: Cross multiply
    2,281.74x = 3,415.32 × 1,622.00
  4. Step 4: Simplify right side
    2,281.74x = 5,539,631.96
  5. Step 5: Solve for x
    x = 5,539,631.96/2,281.74
  6. Step 6: Final answer
    x = 2,427.81

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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.