Home / 5,742.95-8,597.70-4,268.72

Finding the Fourth Proportional to 5,742.95, 8,597.70 and 4,268.72

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Solution

The fourth proportional to 5,742.95, 8,597.70 and 4,268.72 is: 6,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.95 : 8,597.70 = 4,268.72 : x
  2. Step 2: Convert to fraction form
    5,742.95/8,597.70 = 4,268.72/x
  3. Step 3: Cross multiply
    5,742.95x = 8,597.70 × 4,268.72
  4. Step 4: Simplify right side
    5,742.95x = 36,701,130.96
  5. Step 5: Solve for x
    x = 36,701,130.96/5,742.95
  6. Step 6: Final answer
    x = 6,390.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.