Home / 3,113.04-4,665.72-1,573.20

Finding the Fourth Proportional to 3,113.04, 4,665.72 and 1,573.20

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Solution

The fourth proportional to 3,113.04, 4,665.72 and 1,573.20 is: 2,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.04 : 4,665.72 = 1,573.20 : x
  2. Step 2: Convert to fraction form
    3,113.04/4,665.72 = 1,573.20/x
  3. Step 3: Cross multiply
    3,113.04x = 4,665.72 × 1,573.20
  4. Step 4: Simplify right side
    3,113.04x = 7,340,110.70
  5. Step 5: Solve for x
    x = 7,340,110.70/3,113.04
  6. Step 6: Final answer
    x = 2,357.86

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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.