Home / 5,682.42-8,507.88-4,291.56

Finding the Fourth Proportional to 5,682.42, 8,507.88 and 4,291.56

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Solution

The fourth proportional to 5,682.42, 8,507.88 and 4,291.56 is: 6,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.42 : 8,507.88 = 4,291.56 : x
  2. Step 2: Convert to fraction form
    5,682.42/8,507.88 = 4,291.56/x
  3. Step 3: Cross multiply
    5,682.42x = 8,507.88 × 4,291.56
  4. Step 4: Simplify right side
    5,682.42x = 36,512,077.49
  5. Step 5: Solve for x
    x = 36,512,077.49/5,682.42
  6. Step 6: Final answer
    x = 6,425.45

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1.5x scale

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.