Home / 6,015.80-9,020.28-4,779.56

Finding the Fourth Proportional to 6,015.80, 9,020.28 and 4,779.56

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Solution

The fourth proportional to 6,015.80, 9,020.28 and 4,779.56 is: 7,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,015.80 : 9,020.28 = 4,779.56 : x
  2. Step 2: Convert to fraction form
    6,015.80/9,020.28 = 4,779.56/x
  3. Step 3: Cross multiply
    6,015.80x = 9,020.28 × 4,779.56
  4. Step 4: Simplify right side
    6,015.80x = 43,112,969.48
  5. Step 5: Solve for x
    x = 43,112,969.48/6,015.80
  6. Step 6: Final answer
    x = 7,166.62

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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.