Home / 4,483.34-6,721.76-2,290.40

Finding the Fourth Proportional to 4,483.34, 6,721.76 and 2,290.40

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Solution

The fourth proportional to 4,483.34, 6,721.76 and 2,290.40 is: 3,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.34 : 6,721.76 = 2,290.40 : x
  2. Step 2: Convert to fraction form
    4,483.34/6,721.76 = 2,290.40/x
  3. Step 3: Cross multiply
    4,483.34x = 6,721.76 × 2,290.40
  4. Step 4: Simplify right side
    4,483.34x = 15,395,474.04
  5. Step 5: Solve for x
    x = 15,395,474.04/4,483.34
  6. Step 6: Final answer
    x = 3,433.93

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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.