Home / 5,271.34-7,274.36-3,761.68

Finding the Fourth Proportional to 5,271.34, 7,274.36 and 3,761.68

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Solution

The fourth proportional to 5,271.34, 7,274.36 and 3,761.68 is: 5,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.34 : 7,274.36 = 3,761.68 : x
  2. Step 2: Convert to fraction form
    5,271.34/7,274.36 = 3,761.68/x
  3. Step 3: Cross multiply
    5,271.34x = 7,274.36 × 3,761.68
  4. Step 4: Simplify right side
    5,271.34x = 27,363,814.52
  5. Step 5: Solve for x
    x = 27,363,814.52/5,271.34
  6. Step 6: Final answer
    x = 5,191.05

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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.