Home / 5,095.37-7,031.51-2,857.24

Finding the Fourth Proportional to 5,095.37, 7,031.51 and 2,857.24

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Solution

The fourth proportional to 5,095.37, 7,031.51 and 2,857.24 is: 3,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.37 : 7,031.51 = 2,857.24 : x
  2. Step 2: Convert to fraction form
    5,095.37/7,031.51 = 2,857.24/x
  3. Step 3: Cross multiply
    5,095.37x = 7,031.51 × 2,857.24
  4. Step 4: Simplify right side
    5,095.37x = 20,090,701.20
  5. Step 5: Solve for x
    x = 20,090,701.20/5,095.37
  6. Step 6: Final answer
    x = 3,942.94

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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.