Home / 5,268.51-7,270.63-2,910.67

Finding the Fourth Proportional to 5,268.51, 7,270.63 and 2,910.67

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Solution

The fourth proportional to 5,268.51, 7,270.63 and 2,910.67 is: 4,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.51 : 7,270.63 = 2,910.67 : x
  2. Step 2: Convert to fraction form
    5,268.51/7,270.63 = 2,910.67/x
  3. Step 3: Cross multiply
    5,268.51x = 7,270.63 × 2,910.67
  4. Step 4: Simplify right side
    5,268.51x = 21,162,379.17
  5. Step 5: Solve for x
    x = 21,162,379.17/5,268.51
  6. Step 6: Final answer
    x = 4,016.77

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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.