Home / 5,370.28-7,408.79-3,602.45

Finding the Fourth Proportional to 5,370.28, 7,408.79 and 3,602.45

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Solution

The fourth proportional to 5,370.28, 7,408.79 and 3,602.45 is: 4,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.28 : 7,408.79 = 3,602.45 : x
  2. Step 2: Convert to fraction form
    5,370.28/7,408.79 = 3,602.45/x
  3. Step 3: Cross multiply
    5,370.28x = 7,408.79 × 3,602.45
  4. Step 4: Simplify right side
    5,370.28x = 26,689,795.54
  5. Step 5: Solve for x
    x = 26,689,795.54/5,370.28
  6. Step 6: Final answer
    x = 4,969.91

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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.