Home / 2,746.36-3,789.40-1,567.40

Finding the Fourth Proportional to 2,746.36, 3,789.40 and 1,567.40

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Solution

The fourth proportional to 2,746.36, 3,789.40 and 1,567.40 is: 2,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.36 : 3,789.40 = 1,567.40 : x
  2. Step 2: Convert to fraction form
    2,746.36/3,789.40 = 1,567.40/x
  3. Step 3: Cross multiply
    2,746.36x = 3,789.40 × 1,567.40
  4. Step 4: Simplify right side
    2,746.36x = 5,939,505.56
  5. Step 5: Solve for x
    x = 5,939,505.56/2,746.36
  6. Step 6: Final answer
    x = 2,162.68

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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.