Home / 5,270.96-7,274.30-3,146.58

Finding the Fourth Proportional to 5,270.96, 7,274.30 and 3,146.58

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Solution

The fourth proportional to 5,270.96, 7,274.30 and 3,146.58 is: 4,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.96 : 7,274.30 = 3,146.58 : x
  2. Step 2: Convert to fraction form
    5,270.96/7,274.30 = 3,146.58/x
  3. Step 3: Cross multiply
    5,270.96x = 7,274.30 × 3,146.58
  4. Step 4: Simplify right side
    5,270.96x = 22,889,130.52
  5. Step 5: Solve for x
    x = 22,889,130.52/5,270.96
  6. Step 6: Final answer
    x = 4,342.50

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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.