Home / 5,031.21-7,549.32-2,259.84

Finding the Fourth Proportional to 5,031.21, 7,549.32 and 2,259.84

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Solution

The fourth proportional to 5,031.21, 7,549.32 and 2,259.84 is: 3,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.21 : 7,549.32 = 2,259.84 : x
  2. Step 2: Convert to fraction form
    5,031.21/7,549.32 = 2,259.84/x
  3. Step 3: Cross multiply
    5,031.21x = 7,549.32 × 2,259.84
  4. Step 4: Simplify right side
    5,031.21x = 17,060,255.31
  5. Step 5: Solve for x
    x = 17,060,255.31/5,031.21
  6. Step 6: Final answer
    x = 3,390.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.