Home / 5,605.04-7,734.85-3,087.38

Finding the Fourth Proportional to 5,605.04, 7,734.85 and 3,087.38

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Solution

The fourth proportional to 5,605.04, 7,734.85 and 3,087.38 is: 4,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.04 : 7,734.85 = 3,087.38 : x
  2. Step 2: Convert to fraction form
    5,605.04/7,734.85 = 3,087.38/x
  3. Step 3: Cross multiply
    5,605.04x = 7,734.85 × 3,087.38
  4. Step 4: Simplify right side
    5,605.04x = 23,880,408.86
  5. Step 5: Solve for x
    x = 23,880,408.86/5,605.04
  6. Step 6: Final answer
    x = 4,260.53

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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.