Home / 3,745.52-5,166.59-2,420.00

Finding the Fourth Proportional to 3,745.52, 5,166.59 and 2,420.00

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Solution

The fourth proportional to 3,745.52, 5,166.59 and 2,420.00 is: 3,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.52 : 5,166.59 = 2,420.00 : x
  2. Step 2: Convert to fraction form
    3,745.52/5,166.59 = 2,420.00/x
  3. Step 3: Cross multiply
    3,745.52x = 5,166.59 × 2,420.00
  4. Step 4: Simplify right side
    3,745.52x = 12,503,143.77
  5. Step 5: Solve for x
    x = 12,503,143.77/3,745.52
  6. Step 6: Final answer
    x = 3,338.16

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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.