Home / 7,747.11-10,691.00-4,210.32

Finding the Fourth Proportional to 7,747.11, 10,691.00 and 4,210.32

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Solution

The fourth proportional to 7,747.11, 10,691.00 and 4,210.32 is: 5,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.11 : 10,691.00 = 4,210.32 : x
  2. Step 2: Convert to fraction form
    7,747.11/10,691.00 = 4,210.32/x
  3. Step 3: Cross multiply
    7,747.11x = 10,691.00 × 4,210.32
  4. Step 4: Simplify right side
    7,747.11x = 45,012,541.65
  5. Step 5: Solve for x
    x = 45,012,541.65/7,747.11
  6. Step 6: Final answer
    x = 5,810.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.