Home / 3,848.76-5,311.26-3,010.32

Finding the Fourth Proportional to 3,848.76, 5,311.26 and 3,010.32

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Solution

The fourth proportional to 3,848.76, 5,311.26 and 3,010.32 is: 4,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.76 : 5,311.26 = 3,010.32 : x
  2. Step 2: Convert to fraction form
    3,848.76/5,311.26 = 3,010.32/x
  3. Step 3: Cross multiply
    3,848.76x = 5,311.26 × 3,010.32
  4. Step 4: Simplify right side
    3,848.76x = 15,988,592.20
  5. Step 5: Solve for x
    x = 15,988,592.20/3,848.76
  6. Step 6: Final answer
    x = 4,154.22

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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.