Home / 5,385.35-7,431.73-2,995.31

Finding the Fourth Proportional to 5,385.35, 7,431.73 and 2,995.31

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Solution

The fourth proportional to 5,385.35, 7,431.73 and 2,995.31 is: 4,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.35 : 7,431.73 = 2,995.31 : x
  2. Step 2: Convert to fraction form
    5,385.35/7,431.73 = 2,995.31/x
  3. Step 3: Cross multiply
    5,385.35x = 7,431.73 × 2,995.31
  4. Step 4: Simplify right side
    5,385.35x = 22,260,346.28
  5. Step 5: Solve for x
    x = 22,260,346.28/5,385.35
  6. Step 6: Final answer
    x = 4,133.50

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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.