Home / 6,531.10-9,779.25-4,455.16

Finding the Fourth Proportional to 6,531.10, 9,779.25 and 4,455.16

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Solution

The fourth proportional to 6,531.10, 9,779.25 and 4,455.16 is: 6,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.10 : 9,779.25 = 4,455.16 : x
  2. Step 2: Convert to fraction form
    6,531.10/9,779.25 = 4,455.16/x
  3. Step 3: Cross multiply
    6,531.10x = 9,779.25 × 4,455.16
  4. Step 4: Simplify right side
    6,531.10x = 43,568,123.43
  5. Step 5: Solve for x
    x = 43,568,123.43/6,531.10
  6. Step 6: Final answer
    x = 6,670.87

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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.