Home / 3,080.76-4,621.70-1,134.36

Finding the Fourth Proportional to 3,080.76, 4,621.70 and 1,134.36

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Solution

The fourth proportional to 3,080.76, 4,621.70 and 1,134.36 is: 1,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.76 : 4,621.70 = 1,134.36 : x
  2. Step 2: Convert to fraction form
    3,080.76/4,621.70 = 1,134.36/x
  3. Step 3: Cross multiply
    3,080.76x = 4,621.70 × 1,134.36
  4. Step 4: Simplify right side
    3,080.76x = 5,242,671.61
  5. Step 5: Solve for x
    x = 5,242,671.61/3,080.76
  6. Step 6: Final answer
    x = 1,701.75

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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.