Home / 5,287.58-7,297.66-3,048.60

Finding the Fourth Proportional to 5,287.58, 7,297.66 and 3,048.60

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Solution

The fourth proportional to 5,287.58, 7,297.66 and 3,048.60 is: 4,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.58 : 7,297.66 = 3,048.60 : x
  2. Step 2: Convert to fraction form
    5,287.58/7,297.66 = 3,048.60/x
  3. Step 3: Cross multiply
    5,287.58x = 7,297.66 × 3,048.60
  4. Step 4: Simplify right side
    5,287.58x = 22,247,646.28
  5. Step 5: Solve for x
    x = 22,247,646.28/5,287.58
  6. Step 6: Final answer
    x = 4,207.53

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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.