Home / 5,505.32-8,214.39-4,980.44

Finding the Fourth Proportional to 5,505.32, 8,214.39 and 4,980.44

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Solution

The fourth proportional to 5,505.32, 8,214.39 and 4,980.44 is: 7,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.32 : 8,214.39 = 4,980.44 : x
  2. Step 2: Convert to fraction form
    5,505.32/8,214.39 = 4,980.44/x
  3. Step 3: Cross multiply
    5,505.32x = 8,214.39 × 4,980.44
  4. Step 4: Simplify right side
    5,505.32x = 40,911,236.85
  5. Step 5: Solve for x
    x = 40,911,236.85/5,505.32
  6. Step 6: Final answer
    x = 7,431.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.