Home / 5,095.87-7,032.21-2,857.74

Finding the Fourth Proportional to 5,095.87, 7,032.21 and 2,857.74

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Solution

The fourth proportional to 5,095.87, 7,032.21 and 2,857.74 is: 3,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.87 : 7,032.21 = 2,857.74 : x
  2. Step 2: Convert to fraction form
    5,095.87/7,032.21 = 2,857.74/x
  3. Step 3: Cross multiply
    5,095.87x = 7,032.21 × 2,857.74
  4. Step 4: Simplify right side
    5,095.87x = 20,096,178.36
  5. Step 5: Solve for x
    x = 20,096,178.36/5,095.87
  6. Step 6: Final answer
    x = 3,943.62

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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.