Home / 3,669.95-5,063.67-2,178.24

Finding the Fourth Proportional to 3,669.95, 5,063.67 and 2,178.24

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Solution

The fourth proportional to 3,669.95, 5,063.67 and 2,178.24 is: 3,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.95 : 5,063.67 = 2,178.24 : x
  2. Step 2: Convert to fraction form
    3,669.95/5,063.67 = 2,178.24/x
  3. Step 3: Cross multiply
    3,669.95x = 5,063.67 × 2,178.24
  4. Step 4: Simplify right side
    3,669.95x = 11,029,888.54
  5. Step 5: Solve for x
    x = 11,029,888.54/3,669.95
  6. Step 6: Final answer
    x = 3,005.46

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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.