Home / 3,355.02-4,632.12-2,179.44

Finding the Fourth Proportional to 3,355.02, 4,632.12 and 2,179.44

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Solution

The fourth proportional to 3,355.02, 4,632.12 and 2,179.44 is: 3,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.02 : 4,632.12 = 2,179.44 : x
  2. Step 2: Convert to fraction form
    3,355.02/4,632.12 = 2,179.44/x
  3. Step 3: Cross multiply
    3,355.02x = 4,632.12 × 2,179.44
  4. Step 4: Simplify right side
    3,355.02x = 10,095,427.61
  5. Step 5: Solve for x
    x = 10,095,427.61/3,355.02
  6. Step 6: Final answer
    x = 3,009.05

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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.