Home / 5,124.48-7,072.56-3,237.60

Finding the Fourth Proportional to 5,124.48, 7,072.56 and 3,237.60

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Solution

The fourth proportional to 5,124.48, 7,072.56 and 3,237.60 is: 4,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.48 : 7,072.56 = 3,237.60 : x
  2. Step 2: Convert to fraction form
    5,124.48/7,072.56 = 3,237.60/x
  3. Step 3: Cross multiply
    5,124.48x = 7,072.56 × 3,237.60
  4. Step 4: Simplify right side
    5,124.48x = 22,898,120.26
  5. Step 5: Solve for x
    x = 22,898,120.26/5,124.48
  6. Step 6: Final answer
    x = 4,468.38

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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.