Home / 5,465.01-7,551.60-3,890.37

Finding the Fourth Proportional to 5,465.01, 7,551.60 and 3,890.37

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Solution

The fourth proportional to 5,465.01, 7,551.60 and 3,890.37 is: 5,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.01 : 7,551.60 = 3,890.37 : x
  2. Step 2: Convert to fraction form
    5,465.01/7,551.60 = 3,890.37/x
  3. Step 3: Cross multiply
    5,465.01x = 7,551.60 × 3,890.37
  4. Step 4: Simplify right side
    5,465.01x = 29,378,518.09
  5. Step 5: Solve for x
    x = 29,378,518.09/5,465.01
  6. Step 6: Final answer
    x = 5,375.75

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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.