Home / 5,095.78-7,032.44-2,857.53

Finding the Fourth Proportional to 5,095.78, 7,032.44 and 2,857.53

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Solution

The fourth proportional to 5,095.78, 7,032.44 and 2,857.53 is: 3,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.78 : 7,032.44 = 2,857.53 : x
  2. Step 2: Convert to fraction form
    5,095.78/7,032.44 = 2,857.53/x
  3. Step 3: Cross multiply
    5,095.78x = 7,032.44 × 2,857.53
  4. Step 4: Simplify right side
    5,095.78x = 20,095,386.16
  5. Step 5: Solve for x
    x = 20,095,386.16/5,095.78
  6. Step 6: Final answer
    x = 3,943.54

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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.