Home / 3,955.40-5,933.08-1,616.50

Finding the Fourth Proportional to 3,955.40, 5,933.08 and 1,616.50

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Solution

The fourth proportional to 3,955.40, 5,933.08 and 1,616.50 is: 2,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.40 : 5,933.08 = 1,616.50 : x
  2. Step 2: Convert to fraction form
    3,955.40/5,933.08 = 1,616.50/x
  3. Step 3: Cross multiply
    3,955.40x = 5,933.08 × 1,616.50
  4. Step 4: Simplify right side
    3,955.40x = 9,590,794.15
  5. Step 5: Solve for x
    x = 9,590,794.15/3,955.40
  6. Step 6: Final answer
    x = 2,424.74

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1.5x scale

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.