Home / 3,870.70-5,341.69-2,192.08

Finding the Fourth Proportional to 3,870.70, 5,341.69 and 2,192.08

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Solution

The fourth proportional to 3,870.70, 5,341.69 and 2,192.08 is: 3,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.70 : 5,341.69 = 2,192.08 : x
  2. Step 2: Convert to fraction form
    3,870.70/5,341.69 = 2,192.08/x
  3. Step 3: Cross multiply
    3,870.70x = 5,341.69 × 2,192.08
  4. Step 4: Simplify right side
    3,870.70x = 11,709,411.82
  5. Step 5: Solve for x
    x = 11,709,411.82/3,870.70
  6. Step 6: Final answer
    x = 3,025.14

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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.