Home / 4,755.30-6,561.45-3,055.31

Finding the Fourth Proportional to 4,755.30, 6,561.45 and 3,055.31

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Solution

The fourth proportional to 4,755.30, 6,561.45 and 3,055.31 is: 4,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.30 : 6,561.45 = 3,055.31 : x
  2. Step 2: Convert to fraction form
    4,755.30/6,561.45 = 3,055.31/x
  3. Step 3: Cross multiply
    4,755.30x = 6,561.45 × 3,055.31
  4. Step 4: Simplify right side
    4,755.30x = 20,047,230.99
  5. Step 5: Solve for x
    x = 20,047,230.99/4,755.30
  6. Step 6: Final answer
    x = 4,215.77

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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.