Home / 4,725.90-7,098.98-2,878.02

Finding the Fourth Proportional to 4,725.90, 7,098.98 and 2,878.02

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Solution

The fourth proportional to 4,725.90, 7,098.98 and 2,878.02 is: 4,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.90 : 7,098.98 = 2,878.02 : x
  2. Step 2: Convert to fraction form
    4,725.90/7,098.98 = 2,878.02/x
  3. Step 3: Cross multiply
    4,725.90x = 7,098.98 × 2,878.02
  4. Step 4: Simplify right side
    4,725.90x = 20,430,992.03
  5. Step 5: Solve for x
    x = 20,430,992.03/4,725.90
  6. Step 6: Final answer
    x = 4,323.20

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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.