Home / 6,475.04-9,706.25-4,127.72

Finding the Fourth Proportional to 6,475.04, 9,706.25 and 4,127.72

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Solution

The fourth proportional to 6,475.04, 9,706.25 and 4,127.72 is: 6,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.04 : 9,706.25 = 4,127.72 : x
  2. Step 2: Convert to fraction form
    6,475.04/9,706.25 = 4,127.72/x
  3. Step 3: Cross multiply
    6,475.04x = 9,706.25 × 4,127.72
  4. Step 4: Simplify right side
    6,475.04x = 40,064,644.04
  5. Step 5: Solve for x
    x = 40,064,644.04/6,475.04
  6. Step 6: Final answer
    x = 6,187.56

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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.