Home / 6,237.83-8,609.31-3,720.10

Finding the Fourth Proportional to 6,237.83, 8,609.31 and 3,720.10

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Solution

The fourth proportional to 6,237.83, 8,609.31 and 3,720.10 is: 5,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.83 : 8,609.31 = 3,720.10 : x
  2. Step 2: Convert to fraction form
    6,237.83/8,609.31 = 3,720.10/x
  3. Step 3: Cross multiply
    6,237.83x = 8,609.31 × 3,720.10
  4. Step 4: Simplify right side
    6,237.83x = 32,027,494.13
  5. Step 5: Solve for x
    x = 32,027,494.13/6,237.83
  6. Step 6: Final answer
    x = 5,134.40

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1.5x scale

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.