Home / 7,475.04-11,219.46-3,779.82

Finding the Fourth Proportional to 7,475.04, 11,219.46 and 3,779.82

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Solution

The fourth proportional to 7,475.04, 11,219.46 and 3,779.82 is: 5,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.04 : 11,219.46 = 3,779.82 : x
  2. Step 2: Convert to fraction form
    7,475.04/11,219.46 = 3,779.82/x
  3. Step 3: Cross multiply
    7,475.04x = 11,219.46 × 3,779.82
  4. Step 4: Simplify right side
    7,475.04x = 42,407,539.30
  5. Step 5: Solve for x
    x = 42,407,539.30/7,475.04
  6. Step 6: Final answer
    x = 5,673.22

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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.