Home / 4,898.90-7,345.14-2,790.58

Finding the Fourth Proportional to 4,898.90, 7,345.14 and 2,790.58

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Solution

The fourth proportional to 4,898.90, 7,345.14 and 2,790.58 is: 4,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.90 : 7,345.14 = 2,790.58 : x
  2. Step 2: Convert to fraction form
    4,898.90/7,345.14 = 2,790.58/x
  3. Step 3: Cross multiply
    4,898.90x = 7,345.14 × 2,790.58
  4. Step 4: Simplify right side
    4,898.90x = 20,497,200.78
  5. Step 5: Solve for x
    x = 20,497,200.78/4,898.90
  6. Step 6: Final answer
    x = 4,184.04

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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.