Home / 5,095.55-7,032.20-2,857.57

Finding the Fourth Proportional to 5,095.55, 7,032.20 and 2,857.57

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Solution

The fourth proportional to 5,095.55, 7,032.20 and 2,857.57 is: 3,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.55 : 7,032.20 = 2,857.57 : x
  2. Step 2: Convert to fraction form
    5,095.55/7,032.20 = 2,857.57/x
  3. Step 3: Cross multiply
    5,095.55x = 7,032.20 × 2,857.57
  4. Step 4: Simplify right side
    5,095.55x = 20,094,989.47
  5. Step 5: Solve for x
    x = 20,094,989.47/5,095.55
  6. Step 6: Final answer
    x = 3,943.64

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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.