Home / 2,623.42-3,619.18-1,574.88

Finding the Fourth Proportional to 2,623.42, 3,619.18 and 1,574.88

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Solution

The fourth proportional to 2,623.42, 3,619.18 and 1,574.88 is: 2,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.42 : 3,619.18 = 1,574.88 : x
  2. Step 2: Convert to fraction form
    2,623.42/3,619.18 = 1,574.88/x
  3. Step 3: Cross multiply
    2,623.42x = 3,619.18 × 1,574.88
  4. Step 4: Simplify right side
    2,623.42x = 5,699,774.20
  5. Step 5: Solve for x
    x = 5,699,774.20/2,623.42
  6. Step 6: Final answer
    x = 2,172.65

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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.