Home / 3,605.04-5,408.64-1,658.34

Finding the Fourth Proportional to 3,605.04, 5,408.64 and 1,658.34

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Solution

The fourth proportional to 3,605.04, 5,408.64 and 1,658.34 is: 2,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.04 : 5,408.64 = 1,658.34 : x
  2. Step 2: Convert to fraction form
    3,605.04/5,408.64 = 1,658.34/x
  3. Step 3: Cross multiply
    3,605.04x = 5,408.64 × 1,658.34
  4. Step 4: Simplify right side
    3,605.04x = 8,969,364.06
  5. Step 5: Solve for x
    x = 8,969,364.06/3,605.04
  6. Step 6: Final answer
    x = 2,488.01

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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.