Home / 5,754.24-8,634.09-2,980.40

Finding the Fourth Proportional to 5,754.24, 8,634.09 and 2,980.40

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Solution

The fourth proportional to 5,754.24, 8,634.09 and 2,980.40 is: 4,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.24 : 8,634.09 = 2,980.40 : x
  2. Step 2: Convert to fraction form
    5,754.24/8,634.09 = 2,980.40/x
  3. Step 3: Cross multiply
    5,754.24x = 8,634.09 × 2,980.40
  4. Step 4: Simplify right side
    5,754.24x = 25,733,009.84
  5. Step 5: Solve for x
    x = 25,733,009.84/5,754.24
  6. Step 6: Final answer
    x = 4,472.01

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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.