Home / 6,042.71-8,343.65-3,919.25

Finding the Fourth Proportional to 6,042.71, 8,343.65 and 3,919.25

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Solution

The fourth proportional to 6,042.71, 8,343.65 and 3,919.25 is: 5,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.71 : 8,343.65 = 3,919.25 : x
  2. Step 2: Convert to fraction form
    6,042.71/8,343.65 = 3,919.25/x
  3. Step 3: Cross multiply
    6,042.71x = 8,343.65 × 3,919.25
  4. Step 4: Simplify right side
    6,042.71x = 32,700,818.34
  5. Step 5: Solve for x
    x = 32,700,818.34/6,042.71
  6. Step 6: Final answer
    x = 5,411.62

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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.