Home / 5,290.67-7,300.45-3,052.64

Finding the Fourth Proportional to 5,290.67, 7,300.45 and 3,052.64

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Solution

The fourth proportional to 5,290.67, 7,300.45 and 3,052.64 is: 4,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.67 : 7,300.45 = 3,052.64 : x
  2. Step 2: Convert to fraction form
    5,290.67/7,300.45 = 3,052.64/x
  3. Step 3: Cross multiply
    5,290.67x = 7,300.45 × 3,052.64
  4. Step 4: Simplify right side
    5,290.67x = 22,285,645.69
  5. Step 5: Solve for x
    x = 22,285,645.69/5,290.67
  6. Step 6: Final answer
    x = 4,212.25

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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.