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Finding the Fourth Proportional to 6,158.58, 9,237.90 and 4,920.19

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Solution

The fourth proportional to 6,158.58, 9,237.90 and 4,920.19 is: 7,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.58 : 9,237.90 = 4,920.19 : x
  2. Step 2: Convert to fraction form
    6,158.58/9,237.90 = 4,920.19/x
  3. Step 3: Cross multiply
    6,158.58x = 9,237.90 × 4,920.19
  4. Step 4: Simplify right side
    6,158.58x = 45,452,242.84
  5. Step 5: Solve for x
    x = 45,452,242.84/6,158.58
  6. Step 6: Final answer
    x = 7,380.31

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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.