Home / 4,741.83-7,113.15-1,455.21

Finding the Fourth Proportional to 4,741.83, 7,113.15 and 1,455.21

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Solution

The fourth proportional to 4,741.83, 7,113.15 and 1,455.21 is: 2,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.83 : 7,113.15 = 1,455.21 : x
  2. Step 2: Convert to fraction form
    4,741.83/7,113.15 = 1,455.21/x
  3. Step 3: Cross multiply
    4,741.83x = 7,113.15 × 1,455.21
  4. Step 4: Simplify right side
    4,741.83x = 10,351,127.01
  5. Step 5: Solve for x
    x = 10,351,127.01/4,741.83
  6. Step 6: Final answer
    x = 2,182.94

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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.