Home / 5,905.78-8,154.68-4,577.18

Finding the Fourth Proportional to 5,905.78, 8,154.68 and 4,577.18

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Solution

The fourth proportional to 5,905.78, 8,154.68 and 4,577.18 is: 6,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.78 : 8,154.68 = 4,577.18 : x
  2. Step 2: Convert to fraction form
    5,905.78/8,154.68 = 4,577.18/x
  3. Step 3: Cross multiply
    5,905.78x = 8,154.68 × 4,577.18
  4. Step 4: Simplify right side
    5,905.78x = 37,325,374.54
  5. Step 5: Solve for x
    x = 37,325,374.54/5,905.78
  6. Step 6: Final answer
    x = 6,320.15

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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.