Home / 4,740.14-7,108.68-1,965.32

Finding the Fourth Proportional to 4,740.14, 7,108.68 and 1,965.32

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Solution

The fourth proportional to 4,740.14, 7,108.68 and 1,965.32 is: 2,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.14 : 7,108.68 = 1,965.32 : x
  2. Step 2: Convert to fraction form
    4,740.14/7,108.68 = 1,965.32/x
  3. Step 3: Cross multiply
    4,740.14x = 7,108.68 × 1,965.32
  4. Step 4: Simplify right side
    4,740.14x = 13,970,830.98
  5. Step 5: Solve for x
    x = 13,970,830.98/4,740.14
  6. Step 6: Final answer
    x = 2,947.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.