Home / 5,900.48-8,138.88-4,838.72

Finding the Fourth Proportional to 5,900.48, 8,138.88 and 4,838.72

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Solution

The fourth proportional to 5,900.48, 8,138.88 and 4,838.72 is: 6,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.48 : 8,138.88 = 4,838.72 : x
  2. Step 2: Convert to fraction form
    5,900.48/8,138.88 = 4,838.72/x
  3. Step 3: Cross multiply
    5,900.48x = 8,138.88 × 4,838.72
  4. Step 4: Simplify right side
    5,900.48x = 39,381,761.43
  5. Step 5: Solve for x
    x = 39,381,761.43/5,900.48
  6. Step 6: Final answer
    x = 6,674.33

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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.