Home / 3,000.68-4,140.53-1,674.13

Finding the Fourth Proportional to 3,000.68, 4,140.53 and 1,674.13

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Solution

The fourth proportional to 3,000.68, 4,140.53 and 1,674.13 is: 2,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.68 : 4,140.53 = 1,674.13 : x
  2. Step 2: Convert to fraction form
    3,000.68/4,140.53 = 1,674.13/x
  3. Step 3: Cross multiply
    3,000.68x = 4,140.53 × 1,674.13
  4. Step 4: Simplify right side
    3,000.68x = 6,931,791.71
  5. Step 5: Solve for x
    x = 6,931,791.71/3,000.68
  6. Step 6: Final answer
    x = 2,310.07

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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.