Home / 3,118.80-4,681.23-2,432.93

Finding the Fourth Proportional to 3,118.80, 4,681.23 and 2,432.93

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Solution

The fourth proportional to 3,118.80, 4,681.23 and 2,432.93 is: 3,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.80 : 4,681.23 = 2,432.93 : x
  2. Step 2: Convert to fraction form
    3,118.80/4,681.23 = 2,432.93/x
  3. Step 3: Cross multiply
    3,118.80x = 4,681.23 × 2,432.93
  4. Step 4: Simplify right side
    3,118.80x = 11,389,104.90
  5. Step 5: Solve for x
    x = 11,389,104.90/3,118.80
  6. Step 6: Final answer
    x = 3,651.76

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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.