Home / 3,215.01-4,436.48-1,888.54

Finding the Fourth Proportional to 3,215.01, 4,436.48 and 1,888.54

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Solution

The fourth proportional to 3,215.01, 4,436.48 and 1,888.54 is: 2,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.01 : 4,436.48 = 1,888.54 : x
  2. Step 2: Convert to fraction form
    3,215.01/4,436.48 = 1,888.54/x
  3. Step 3: Cross multiply
    3,215.01x = 4,436.48 × 1,888.54
  4. Step 4: Simplify right side
    3,215.01x = 8,378,463.57
  5. Step 5: Solve for x
    x = 8,378,463.57/3,215.01
  6. Step 6: Final answer
    x = 2,606.04

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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.