Home / 5,268.58-7,271.21-3,030.86

Finding the Fourth Proportional to 5,268.58, 7,271.21 and 3,030.86

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Solution

The fourth proportional to 5,268.58, 7,271.21 and 3,030.86 is: 4,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.58 : 7,271.21 = 3,030.86 : x
  2. Step 2: Convert to fraction form
    5,268.58/7,271.21 = 3,030.86/x
  3. Step 3: Cross multiply
    5,268.58x = 7,271.21 × 3,030.86
  4. Step 4: Simplify right side
    5,268.58x = 22,038,019.54
  5. Step 5: Solve for x
    x = 22,038,019.54/5,268.58
  6. Step 6: Final answer
    x = 4,182.91

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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.