Home / 5,340.90-7,367.12-3,846.46

Finding the Fourth Proportional to 5,340.90, 7,367.12 and 3,846.46

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Solution

The fourth proportional to 5,340.90, 7,367.12 and 3,846.46 is: 5,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.90 : 7,367.12 = 3,846.46 : x
  2. Step 2: Convert to fraction form
    5,340.90/7,367.12 = 3,846.46/x
  3. Step 3: Cross multiply
    5,340.90x = 7,367.12 × 3,846.46
  4. Step 4: Simplify right side
    5,340.90x = 28,337,332.40
  5. Step 5: Solve for x
    x = 28,337,332.40/5,340.90
  6. Step 6: Final answer
    x = 5,305.72

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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.