Home / 6,355.05-8,778.33-4,881.18

Finding the Fourth Proportional to 6,355.05, 8,778.33 and 4,881.18

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Solution

The fourth proportional to 6,355.05, 8,778.33 and 4,881.18 is: 6,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.05 : 8,778.33 = 4,881.18 : x
  2. Step 2: Convert to fraction form
    6,355.05/8,778.33 = 4,881.18/x
  3. Step 3: Cross multiply
    6,355.05x = 8,778.33 × 4,881.18
  4. Step 4: Simplify right side
    6,355.05x = 42,848,608.83
  5. Step 5: Solve for x
    x = 42,848,608.83/6,355.05
  6. Step 6: Final answer
    x = 6,742.45

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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.