Home / 5,140.74-7,094.33-2,902.62

Finding the Fourth Proportional to 5,140.74, 7,094.33 and 2,902.62

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Solution

The fourth proportional to 5,140.74, 7,094.33 and 2,902.62 is: 4,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.74 : 7,094.33 = 2,902.62 : x
  2. Step 2: Convert to fraction form
    5,140.74/7,094.33 = 2,902.62/x
  3. Step 3: Cross multiply
    5,140.74x = 7,094.33 × 2,902.62
  4. Step 4: Simplify right side
    5,140.74x = 20,592,144.14
  5. Step 5: Solve for x
    x = 20,592,144.14/5,140.74
  6. Step 6: Final answer
    x = 4,005.68

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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.