Home / 4,801.42-7,199.16-1,878.40

Finding the Fourth Proportional to 4,801.42, 7,199.16 and 1,878.40

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Solution

The fourth proportional to 4,801.42, 7,199.16 and 1,878.40 is: 2,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.42 : 7,199.16 = 1,878.40 : x
  2. Step 2: Convert to fraction form
    4,801.42/7,199.16 = 1,878.40/x
  3. Step 3: Cross multiply
    4,801.42x = 7,199.16 × 1,878.40
  4. Step 4: Simplify right side
    4,801.42x = 13,522,902.14
  5. Step 5: Solve for x
    x = 13,522,902.14/4,801.42
  6. Step 6: Final answer
    x = 2,816.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.