Home / 3,482.22-4,805.28-1,989.94

Finding the Fourth Proportional to 3,482.22, 4,805.28 and 1,989.94

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Solution

The fourth proportional to 3,482.22, 4,805.28 and 1,989.94 is: 2,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.22 : 4,805.28 = 1,989.94 : x
  2. Step 2: Convert to fraction form
    3,482.22/4,805.28 = 1,989.94/x
  3. Step 3: Cross multiply
    3,482.22x = 4,805.28 × 1,989.94
  4. Step 4: Simplify right side
    3,482.22x = 9,562,218.88
  5. Step 5: Solve for x
    x = 9,562,218.88/3,482.22
  6. Step 6: Final answer
    x = 2,746.01

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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.