Home / 6,291.03-8,682.75-4,055.70

Finding the Fourth Proportional to 6,291.03, 8,682.75 and 4,055.70

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Solution

The fourth proportional to 6,291.03, 8,682.75 and 4,055.70 is: 5,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.03 : 8,682.75 = 4,055.70 : x
  2. Step 2: Convert to fraction form
    6,291.03/8,682.75 = 4,055.70/x
  3. Step 3: Cross multiply
    6,291.03x = 8,682.75 × 4,055.70
  4. Step 4: Simplify right side
    6,291.03x = 35,214,629.18
  5. Step 5: Solve for x
    x = 35,214,629.18/6,291.03
  6. Step 6: Final answer
    x = 5,597.59

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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.