Home / 5,095.80-7,032.36-2,857.62

Finding the Fourth Proportional to 5,095.80, 7,032.36 and 2,857.62

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Solution

The fourth proportional to 5,095.80, 7,032.36 and 2,857.62 is: 3,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.80 : 7,032.36 = 2,857.62 : x
  2. Step 2: Convert to fraction form
    5,095.80/7,032.36 = 2,857.62/x
  3. Step 3: Cross multiply
    5,095.80x = 7,032.36 × 2,857.62
  4. Step 4: Simplify right side
    5,095.80x = 20,095,812.58
  5. Step 5: Solve for x
    x = 20,095,812.58/5,095.80
  6. Step 6: Final answer
    x = 3,943.60

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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.