Home / 3,113.19-4,295.45-1,768.50

Finding the Fourth Proportional to 3,113.19, 4,295.45 and 1,768.50

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Solution

The fourth proportional to 3,113.19, 4,295.45 and 1,768.50 is: 2,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.19 : 4,295.45 = 1,768.50 : x
  2. Step 2: Convert to fraction form
    3,113.19/4,295.45 = 1,768.50/x
  3. Step 3: Cross multiply
    3,113.19x = 4,295.45 × 1,768.50
  4. Step 4: Simplify right side
    3,113.19x = 7,596,494.48
  5. Step 5: Solve for x
    x = 7,596,494.48/3,113.19
  6. Step 6: Final answer
    x = 2,440.10

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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.