Home / 7,269.72-10,031.84-4,125.84

Finding the Fourth Proportional to 7,269.72, 10,031.84 and 4,125.84

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Solution

The fourth proportional to 7,269.72, 10,031.84 and 4,125.84 is: 5,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.72 : 10,031.84 = 4,125.84 : x
  2. Step 2: Convert to fraction form
    7,269.72/10,031.84 = 4,125.84/x
  3. Step 3: Cross multiply
    7,269.72x = 10,031.84 × 4,125.84
  4. Step 4: Simplify right side
    7,269.72x = 41,389,766.75
  5. Step 5: Solve for x
    x = 41,389,766.75/7,269.72
  6. Step 6: Final answer
    x = 5,693.45

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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.