Home / 2,333.45-3,220.03-1,449.32

Finding the Fourth Proportional to 2,333.45, 3,220.03 and 1,449.32

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Solution

The fourth proportional to 2,333.45, 3,220.03 and 1,449.32 is: 1,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.45 : 3,220.03 = 1,449.32 : x
  2. Step 2: Convert to fraction form
    2,333.45/3,220.03 = 1,449.32/x
  3. Step 3: Cross multiply
    2,333.45x = 3,220.03 × 1,449.32
  4. Step 4: Simplify right side
    2,333.45x = 4,666,853.88
  5. Step 5: Solve for x
    x = 4,666,853.88/2,333.45
  6. Step 6: Final answer
    x = 1,999.98

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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.