Home / 2,854.23-3,938.65-1,675.27

Finding the Fourth Proportional to 2,854.23, 3,938.65 and 1,675.27

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Solution

The fourth proportional to 2,854.23, 3,938.65 and 1,675.27 is: 2,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.23 : 3,938.65 = 1,675.27 : x
  2. Step 2: Convert to fraction form
    2,854.23/3,938.65 = 1,675.27/x
  3. Step 3: Cross multiply
    2,854.23x = 3,938.65 × 1,675.27
  4. Step 4: Simplify right side
    2,854.23x = 6,598,302.19
  5. Step 5: Solve for x
    x = 6,598,302.19/2,854.23
  6. Step 6: Final answer
    x = 2,311.76

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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.