Home / 5,289.45-7,297.79-3,051.02

Finding the Fourth Proportional to 5,289.45, 7,297.79 and 3,051.02

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Solution

The fourth proportional to 5,289.45, 7,297.79 and 3,051.02 is: 4,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.45 : 7,297.79 = 3,051.02 : x
  2. Step 2: Convert to fraction form
    5,289.45/7,297.79 = 3,051.02/x
  3. Step 3: Cross multiply
    5,289.45x = 7,297.79 × 3,051.02
  4. Step 4: Simplify right side
    5,289.45x = 22,265,651.50
  5. Step 5: Solve for x
    x = 22,265,651.50/5,289.45
  6. Step 6: Final answer
    x = 4,209.45

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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.