Home / 7,400.48-10,212.47-4,043.19

Finding the Fourth Proportional to 7,400.48, 10,212.47 and 4,043.19

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Solution

The fourth proportional to 7,400.48, 10,212.47 and 4,043.19 is: 5,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.48 : 10,212.47 = 4,043.19 : x
  2. Step 2: Convert to fraction form
    7,400.48/10,212.47 = 4,043.19/x
  3. Step 3: Cross multiply
    7,400.48x = 10,212.47 × 4,043.19
  4. Step 4: Simplify right side
    7,400.48x = 41,290,936.36
  5. Step 5: Solve for x
    x = 41,290,936.36/7,400.48
  6. Step 6: Final answer
    x = 5,579.50

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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.