Home / 3,118.41-4,677.80-1,170.63

Finding the Fourth Proportional to 3,118.41, 4,677.80 and 1,170.63

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Solution

The fourth proportional to 3,118.41, 4,677.80 and 1,170.63 is: 1,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.41 : 4,677.80 = 1,170.63 : x
  2. Step 2: Convert to fraction form
    3,118.41/4,677.80 = 1,170.63/x
  3. Step 3: Cross multiply
    3,118.41x = 4,677.80 × 1,170.63
  4. Step 4: Simplify right side
    3,118.41x = 5,475,967.16
  5. Step 5: Solve for x
    x = 5,475,967.16/3,118.41
  6. Step 6: Final answer
    x = 1,756.01

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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.