Home / 3,000.20-4,140.47-1,673.93

Finding the Fourth Proportional to 3,000.20, 4,140.47 and 1,673.93

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Solution

The fourth proportional to 3,000.20, 4,140.47 and 1,673.93 is: 2,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.20 : 4,140.47 = 1,673.93 : x
  2. Step 2: Convert to fraction form
    3,000.20/4,140.47 = 1,673.93/x
  3. Step 3: Cross multiply
    3,000.20x = 4,140.47 × 1,673.93
  4. Step 4: Simplify right side
    3,000.20x = 6,930,862.67
  5. Step 5: Solve for x
    x = 6,930,862.67/3,000.20
  6. Step 6: Final answer
    x = 2,310.14

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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.