Home / 5,125.06-7,668.15-3,172.42

Finding the Fourth Proportional to 5,125.06, 7,668.15 and 3,172.42

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Solution

The fourth proportional to 5,125.06, 7,668.15 and 3,172.42 is: 4,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.06 : 7,668.15 = 3,172.42 : x
  2. Step 2: Convert to fraction form
    5,125.06/7,668.15 = 3,172.42/x
  3. Step 3: Cross multiply
    5,125.06x = 7,668.15 × 3,172.42
  4. Step 4: Simplify right side
    5,125.06x = 24,326,592.42
  5. Step 5: Solve for x
    x = 24,326,592.42/5,125.06
  6. Step 6: Final answer
    x = 4,746.60

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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.