Home / 7,045.80-9,723.12-4,061.64

Finding the Fourth Proportional to 7,045.80, 9,723.12 and 4,061.64

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Solution

The fourth proportional to 7,045.80, 9,723.12 and 4,061.64 is: 5,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.80 : 9,723.12 = 4,061.64 : x
  2. Step 2: Convert to fraction form
    7,045.80/9,723.12 = 4,061.64/x
  3. Step 3: Cross multiply
    7,045.80x = 9,723.12 × 4,061.64
  4. Step 4: Simplify right side
    7,045.80x = 39,491,813.12
  5. Step 5: Solve for x
    x = 39,491,813.12/7,045.80
  6. Step 6: Final answer
    x = 5,605.01

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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.