Home / 4,977.10-6,868.56-2,851.93

Finding the Fourth Proportional to 4,977.10, 6,868.56 and 2,851.93

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Solution

The fourth proportional to 4,977.10, 6,868.56 and 2,851.93 is: 3,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.10 : 6,868.56 = 2,851.93 : x
  2. Step 2: Convert to fraction form
    4,977.10/6,868.56 = 2,851.93/x
  3. Step 3: Cross multiply
    4,977.10x = 6,868.56 × 2,851.93
  4. Step 4: Simplify right side
    4,977.10x = 19,588,652.32
  5. Step 5: Solve for x
    x = 19,588,652.32/4,977.10
  6. Step 6: Final answer
    x = 3,935.76

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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.