Home / 5,507.20-7,599.96-2,989.32

Finding the Fourth Proportional to 5,507.20, 7,599.96 and 2,989.32

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Solution

The fourth proportional to 5,507.20, 7,599.96 and 2,989.32 is: 4,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.20 : 7,599.96 = 2,989.32 : x
  2. Step 2: Convert to fraction form
    5,507.20/7,599.96 = 2,989.32/x
  3. Step 3: Cross multiply
    5,507.20x = 7,599.96 × 2,989.32
  4. Step 4: Simplify right side
    5,507.20x = 22,718,712.43
  5. Step 5: Solve for x
    x = 22,718,712.43/5,507.20
  6. Step 6: Final answer
    x = 4,125.27

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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.