Home / 5,374.76-7,419.60-3,607.34

Finding the Fourth Proportional to 5,374.76, 7,419.60 and 3,607.34

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Solution

The fourth proportional to 5,374.76, 7,419.60 and 3,607.34 is: 4,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.76 : 7,419.60 = 3,607.34 : x
  2. Step 2: Convert to fraction form
    5,374.76/7,419.60 = 3,607.34/x
  3. Step 3: Cross multiply
    5,374.76x = 7,419.60 × 3,607.34
  4. Step 4: Simplify right side
    5,374.76x = 26,764,982.77
  5. Step 5: Solve for x
    x = 26,764,982.77/5,374.76
  6. Step 6: Final answer
    x = 4,979.76

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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.