Home / 7,191.87-9,924.75-4,048.05

Finding the Fourth Proportional to 7,191.87, 9,924.75 and 4,048.05

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Solution

The fourth proportional to 7,191.87, 9,924.75 and 4,048.05 is: 5,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.87 : 9,924.75 = 4,048.05 : x
  2. Step 2: Convert to fraction form
    7,191.87/9,924.75 = 4,048.05/x
  3. Step 3: Cross multiply
    7,191.87x = 9,924.75 × 4,048.05
  4. Step 4: Simplify right side
    7,191.87x = 40,175,884.24
  5. Step 5: Solve for x
    x = 40,175,884.24/7,191.87
  6. Step 6: Final answer
    x = 5,586.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.