Home / 1,674.35-2,507.53-1,325.34

Finding the Fourth Proportional to 1,674.35, 2,507.53 and 1,325.34

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Solution

The fourth proportional to 1,674.35, 2,507.53 and 1,325.34 is: 1,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.35 : 2,507.53 = 1,325.34 : x
  2. Step 2: Convert to fraction form
    1,674.35/2,507.53 = 1,325.34/x
  3. Step 3: Cross multiply
    1,674.35x = 2,507.53 × 1,325.34
  4. Step 4: Simplify right side
    1,674.35x = 3,323,325.66
  5. Step 5: Solve for x
    x = 3,323,325.66/1,674.35
  6. Step 6: Final answer
    x = 1,984.85

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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.