Home / 4,702.76-7,054.35-2,621.19

Finding the Fourth Proportional to 4,702.76, 7,054.35 and 2,621.19

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Solution

The fourth proportional to 4,702.76, 7,054.35 and 2,621.19 is: 3,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.76 : 7,054.35 = 2,621.19 : x
  2. Step 2: Convert to fraction form
    4,702.76/7,054.35 = 2,621.19/x
  3. Step 3: Cross multiply
    4,702.76x = 7,054.35 × 2,621.19
  4. Step 4: Simplify right side
    4,702.76x = 18,490,791.68
  5. Step 5: Solve for x
    x = 18,490,791.68/4,702.76
  6. Step 6: Final answer
    x = 3,931.90

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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.