Home / 5,422.02-7,483.50-3,185.07

Finding the Fourth Proportional to 5,422.02, 7,483.50 and 3,185.07

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Solution

The fourth proportional to 5,422.02, 7,483.50 and 3,185.07 is: 4,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.02 : 7,483.50 = 3,185.07 : x
  2. Step 2: Convert to fraction form
    5,422.02/7,483.50 = 3,185.07/x
  3. Step 3: Cross multiply
    5,422.02x = 7,483.50 × 3,185.07
  4. Step 4: Simplify right side
    5,422.02x = 23,835,471.35
  5. Step 5: Solve for x
    x = 23,835,471.35/5,422.02
  6. Step 6: Final answer
    x = 4,396.05

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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.