Home / 6,308.82-8,707.35-4,184.40

Finding the Fourth Proportional to 6,308.82, 8,707.35 and 4,184.40

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Solution

The fourth proportional to 6,308.82, 8,707.35 and 4,184.40 is: 5,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.82 : 8,707.35 = 4,184.40 : x
  2. Step 2: Convert to fraction form
    6,308.82/8,707.35 = 4,184.40/x
  3. Step 3: Cross multiply
    6,308.82x = 8,707.35 × 4,184.40
  4. Step 4: Simplify right side
    6,308.82x = 36,435,035.34
  5. Step 5: Solve for x
    x = 36,435,035.34/6,308.82
  6. Step 6: Final answer
    x = 5,775.25

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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.