Home / 7,354.23-10,148.73-3,997.11

Finding the Fourth Proportional to 7,354.23, 10,148.73 and 3,997.11

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Solution

The fourth proportional to 7,354.23, 10,148.73 and 3,997.11 is: 5,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.23 : 10,148.73 = 3,997.11 : x
  2. Step 2: Convert to fraction form
    7,354.23/10,148.73 = 3,997.11/x
  3. Step 3: Cross multiply
    7,354.23x = 10,148.73 × 3,997.11
  4. Step 4: Simplify right side
    7,354.23x = 40,565,590.17
  5. Step 5: Solve for x
    x = 40,565,590.17/7,354.23
  6. Step 6: Final answer
    x = 5,515.95

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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.