Home / 3,002.30-4,143.12-1,676.06

Finding the Fourth Proportional to 3,002.30, 4,143.12 and 1,676.06

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Solution

The fourth proportional to 3,002.30, 4,143.12 and 1,676.06 is: 2,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.30 : 4,143.12 = 1,676.06 : x
  2. Step 2: Convert to fraction form
    3,002.30/4,143.12 = 1,676.06/x
  3. Step 3: Cross multiply
    3,002.30x = 4,143.12 × 1,676.06
  4. Step 4: Simplify right side
    3,002.30x = 6,944,117.71
  5. Step 5: Solve for x
    x = 6,944,117.71/3,002.30
  6. Step 6: Final answer
    x = 2,312.93

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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.