Home / 5,218.02-7,199.70-3,094.20

Finding the Fourth Proportional to 5,218.02, 7,199.70 and 3,094.20

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Solution

The fourth proportional to 5,218.02, 7,199.70 and 3,094.20 is: 4,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.02 : 7,199.70 = 3,094.20 : x
  2. Step 2: Convert to fraction form
    5,218.02/7,199.70 = 3,094.20/x
  3. Step 3: Cross multiply
    5,218.02x = 7,199.70 × 3,094.20
  4. Step 4: Simplify right side
    5,218.02x = 22,277,311.74
  5. Step 5: Solve for x
    x = 22,277,311.74/5,218.02
  6. Step 6: Final answer
    x = 4,269.30

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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.