Home / 6,307.56-9,469.70-5,389.02

Finding the Fourth Proportional to 6,307.56, 9,469.70 and 5,389.02

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Solution

The fourth proportional to 6,307.56, 9,469.70 and 5,389.02 is: 8,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.56 : 9,469.70 = 5,389.02 : x
  2. Step 2: Convert to fraction form
    6,307.56/9,469.70 = 5,389.02/x
  3. Step 3: Cross multiply
    6,307.56x = 9,469.70 × 5,389.02
  4. Step 4: Simplify right side
    6,307.56x = 51,032,402.69
  5. Step 5: Solve for x
    x = 51,032,402.69/6,307.56
  6. Step 6: Final answer
    x = 8,090.67

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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.