Home / 5,261.85-7,897.64-3,614.31

Finding the Fourth Proportional to 5,261.85, 7,897.64 and 3,614.31

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Solution

The fourth proportional to 5,261.85, 7,897.64 and 3,614.31 is: 5,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.85 : 7,897.64 = 3,614.31 : x
  2. Step 2: Convert to fraction form
    5,261.85/7,897.64 = 3,614.31/x
  3. Step 3: Cross multiply
    5,261.85x = 7,897.64 × 3,614.31
  4. Step 4: Simplify right side
    5,261.85x = 28,544,501.16
  5. Step 5: Solve for x
    x = 28,544,501.16/5,261.85
  6. Step 6: Final answer
    x = 5,424.80

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1.5x scale

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.