Home / 7,405.02-10,219.04-4,422.60

Finding the Fourth Proportional to 7,405.02, 10,219.04 and 4,422.60

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Solution

The fourth proportional to 7,405.02, 10,219.04 and 4,422.60 is: 6,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.02 : 10,219.04 = 4,422.60 : x
  2. Step 2: Convert to fraction form
    7,405.02/10,219.04 = 4,422.60/x
  3. Step 3: Cross multiply
    7,405.02x = 10,219.04 × 4,422.60
  4. Step 4: Simplify right side
    7,405.02x = 45,194,726.30
  5. Step 5: Solve for x
    x = 45,194,726.30/7,405.02
  6. Step 6: Final answer
    x = 6,103.26

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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.