Home / 7,421.90-10,241.84-4,064.07

Finding the Fourth Proportional to 7,421.90, 10,241.84 and 4,064.07

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Solution

The fourth proportional to 7,421.90, 10,241.84 and 4,064.07 is: 5,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.90 : 10,241.84 = 4,064.07 : x
  2. Step 2: Convert to fraction form
    7,421.90/10,241.84 = 4,064.07/x
  3. Step 3: Cross multiply
    7,421.90x = 10,241.84 × 4,064.07
  4. Step 4: Simplify right side
    7,421.90x = 41,623,534.37
  5. Step 5: Solve for x
    x = 41,623,534.37/7,421.90
  6. Step 6: Final answer
    x = 5,608.20

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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.