Home / 3,482.25-4,800.03-2,639.58

Finding the Fourth Proportional to 3,482.25, 4,800.03 and 2,639.58

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Solution

The fourth proportional to 3,482.25, 4,800.03 and 2,639.58 is: 3,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.25 : 4,800.03 = 2,639.58 : x
  2. Step 2: Convert to fraction form
    3,482.25/4,800.03 = 2,639.58/x
  3. Step 3: Cross multiply
    3,482.25x = 4,800.03 × 2,639.58
  4. Step 4: Simplify right side
    3,482.25x = 12,670,063.19
  5. Step 5: Solve for x
    x = 12,670,063.19/3,482.25
  6. Step 6: Final answer
    x = 3,638.47

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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.