Home / 5,913.23-8,160.84-3,555.32

Finding the Fourth Proportional to 5,913.23, 8,160.84 and 3,555.32

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Solution

The fourth proportional to 5,913.23, 8,160.84 and 3,555.32 is: 4,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.23 : 8,160.84 = 3,555.32 : x
  2. Step 2: Convert to fraction form
    5,913.23/8,160.84 = 3,555.32/x
  3. Step 3: Cross multiply
    5,913.23x = 8,160.84 × 3,555.32
  4. Step 4: Simplify right side
    5,913.23x = 29,014,356.86
  5. Step 5: Solve for x
    x = 29,014,356.86/5,913.23
  6. Step 6: Final answer
    x = 4,906.69

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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.