Home / 7,408.47-10,223.51-4,051.36

Finding the Fourth Proportional to 7,408.47, 10,223.51 and 4,051.36

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Solution

The fourth proportional to 7,408.47, 10,223.51 and 4,051.36 is: 5,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.47 : 10,223.51 = 4,051.36 : x
  2. Step 2: Convert to fraction form
    7,408.47/10,223.51 = 4,051.36/x
  3. Step 3: Cross multiply
    7,408.47x = 10,223.51 × 4,051.36
  4. Step 4: Simplify right side
    7,408.47x = 41,419,119.47
  5. Step 5: Solve for x
    x = 41,419,119.47/7,408.47
  6. Step 6: Final answer
    x = 5,590.78

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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.