Home / 5,791.38-8,688.69-1,898.52

Finding the Fourth Proportional to 5,791.38, 8,688.69 and 1,898.52

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Solution

The fourth proportional to 5,791.38, 8,688.69 and 1,898.52 is: 2,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.38 : 8,688.69 = 1,898.52 : x
  2. Step 2: Convert to fraction form
    5,791.38/8,688.69 = 1,898.52/x
  3. Step 3: Cross multiply
    5,791.38x = 8,688.69 × 1,898.52
  4. Step 4: Simplify right side
    5,791.38x = 16,495,651.74
  5. Step 5: Solve for x
    x = 16,495,651.74/5,791.38
  6. Step 6: Final answer
    x = 2,848.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.