Home / 5,219.45-7,198.65-4,588.64

Finding the Fourth Proportional to 5,219.45, 7,198.65 and 4,588.64

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Solution

The fourth proportional to 5,219.45, 7,198.65 and 4,588.64 is: 6,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.45 : 7,198.65 = 4,588.64 : x
  2. Step 2: Convert to fraction form
    5,219.45/7,198.65 = 4,588.64/x
  3. Step 3: Cross multiply
    5,219.45x = 7,198.65 × 4,588.64
  4. Step 4: Simplify right side
    5,219.45x = 33,032,006.81
  5. Step 5: Solve for x
    x = 33,032,006.81/5,219.45
  6. Step 6: Final answer
    x = 6,328.64

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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.