Home / 5,142.70-7,096.93-2,904.58

Finding the Fourth Proportional to 5,142.70, 7,096.93 and 2,904.58

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Solution

The fourth proportional to 5,142.70, 7,096.93 and 2,904.58 is: 4,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.70 : 7,096.93 = 2,904.58 : x
  2. Step 2: Convert to fraction form
    5,142.70/7,096.93 = 2,904.58/x
  3. Step 3: Cross multiply
    5,142.70x = 7,096.93 × 2,904.58
  4. Step 4: Simplify right side
    5,142.70x = 20,613,575.94
  5. Step 5: Solve for x
    x = 20,613,575.94/5,142.70
  6. Step 6: Final answer
    x = 4,008.32

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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.