Home / 7,421.47-10,241.58-4,064.22

Finding the Fourth Proportional to 7,421.47, 10,241.58 and 4,064.22

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Solution

The fourth proportional to 7,421.47, 10,241.58 and 4,064.22 is: 5,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.47 : 10,241.58 = 4,064.22 : x
  2. Step 2: Convert to fraction form
    7,421.47/10,241.58 = 4,064.22/x
  3. Step 3: Cross multiply
    7,421.47x = 10,241.58 × 4,064.22
  4. Step 4: Simplify right side
    7,421.47x = 41,624,049.51
  5. Step 5: Solve for x
    x = 41,624,049.51/7,421.47
  6. Step 6: Final answer
    x = 5,608.60

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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.