Home / 7,231.04-9,977.44-4,246.72

Finding the Fourth Proportional to 7,231.04, 9,977.44 and 4,246.72

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Solution

The fourth proportional to 7,231.04, 9,977.44 and 4,246.72 is: 5,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.04 : 9,977.44 = 4,246.72 : x
  2. Step 2: Convert to fraction form
    7,231.04/9,977.44 = 4,246.72/x
  3. Step 3: Cross multiply
    7,231.04x = 9,977.44 × 4,246.72
  4. Step 4: Simplify right side
    7,231.04x = 42,371,394.00
  5. Step 5: Solve for x
    x = 42,371,394.00/7,231.04
  6. Step 6: Final answer
    x = 5,859.65

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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.