Home / 3,386.71-4,673.77-1,894.69

Finding the Fourth Proportional to 3,386.71, 4,673.77 and 1,894.69

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Solution

The fourth proportional to 3,386.71, 4,673.77 and 1,894.69 is: 2,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.71 : 4,673.77 = 1,894.69 : x
  2. Step 2: Convert to fraction form
    3,386.71/4,673.77 = 1,894.69/x
  3. Step 3: Cross multiply
    3,386.71x = 4,673.77 × 1,894.69
  4. Step 4: Simplify right side
    3,386.71x = 8,855,345.28
  5. Step 5: Solve for x
    x = 8,855,345.28/3,386.71
  6. Step 6: Final answer
    x = 2,614.73

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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.