Home / 4,113.60-6,171.84-1,192.08

Finding the Fourth Proportional to 4,113.60, 6,171.84 and 1,192.08

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Solution

The fourth proportional to 4,113.60, 6,171.84 and 1,192.08 is: 1,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.60 : 6,171.84 = 1,192.08 : x
  2. Step 2: Convert to fraction form
    4,113.60/6,171.84 = 1,192.08/x
  3. Step 3: Cross multiply
    4,113.60x = 6,171.84 × 1,192.08
  4. Step 4: Simplify right side
    4,113.60x = 7,357,327.03
  5. Step 5: Solve for x
    x = 7,357,327.03/4,113.60
  6. Step 6: Final answer
    x = 1,788.54

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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.