Home / 3,000.24-4,140.45-1,674.18

Finding the Fourth Proportional to 3,000.24, 4,140.45 and 1,674.18

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Solution

The fourth proportional to 3,000.24, 4,140.45 and 1,674.18 is: 2,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.24 : 4,140.45 = 1,674.18 : x
  2. Step 2: Convert to fraction form
    3,000.24/4,140.45 = 1,674.18/x
  3. Step 3: Cross multiply
    3,000.24x = 4,140.45 × 1,674.18
  4. Step 4: Simplify right side
    3,000.24x = 6,931,858.58
  5. Step 5: Solve for x
    x = 6,931,858.58/3,000.24
  6. Step 6: Final answer
    x = 2,310.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.