Home / 4,740.02-7,108.21-1,965.26

Finding the Fourth Proportional to 4,740.02, 7,108.21 and 1,965.26

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Solution

The fourth proportional to 4,740.02, 7,108.21 and 1,965.26 is: 2,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.02 : 7,108.21 = 1,965.26 : x
  2. Step 2: Convert to fraction form
    4,740.02/7,108.21 = 1,965.26/x
  3. Step 3: Cross multiply
    4,740.02x = 7,108.21 × 1,965.26
  4. Step 4: Simplify right side
    4,740.02x = 13,969,489.96
  5. Step 5: Solve for x
    x = 13,969,489.96/4,740.02
  6. Step 6: Final answer
    x = 2,947.14

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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.