Home / 4,947.66-7,417.08-1,871.82

Finding the Fourth Proportional to 4,947.66, 7,417.08 and 1,871.82

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Solution

The fourth proportional to 4,947.66, 7,417.08 and 1,871.82 is: 2,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.66 : 7,417.08 = 1,871.82 : x
  2. Step 2: Convert to fraction form
    4,947.66/7,417.08 = 1,871.82/x
  3. Step 3: Cross multiply
    4,947.66x = 7,417.08 × 1,871.82
  4. Step 4: Simplify right side
    4,947.66x = 13,883,438.69
  5. Step 5: Solve for x
    x = 13,883,438.69/4,947.66
  6. Step 6: Final answer
    x = 2,806.06

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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.