Home / 6,291.57-8,682.47-3,459.06

Finding the Fourth Proportional to 6,291.57, 8,682.47 and 3,459.06

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Solution

The fourth proportional to 6,291.57, 8,682.47 and 3,459.06 is: 4,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.57 : 8,682.47 = 3,459.06 : x
  2. Step 2: Convert to fraction form
    6,291.57/8,682.47 = 3,459.06/x
  3. Step 3: Cross multiply
    6,291.57x = 8,682.47 × 3,459.06
  4. Step 4: Simplify right side
    6,291.57x = 30,033,206.38
  5. Step 5: Solve for x
    x = 30,033,206.38/6,291.57
  6. Step 6: Final answer
    x = 4,773.56

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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.