Home / 5,507.05-7,599.74-2,989.16

Finding the Fourth Proportional to 5,507.05, 7,599.74 and 2,989.16

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Solution

The fourth proportional to 5,507.05, 7,599.74 and 2,989.16 is: 4,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.05 : 7,599.74 = 2,989.16 : x
  2. Step 2: Convert to fraction form
    5,507.05/7,599.74 = 2,989.16/x
  3. Step 3: Cross multiply
    5,507.05x = 7,599.74 × 2,989.16
  4. Step 4: Simplify right side
    5,507.05x = 22,716,840.85
  5. Step 5: Solve for x
    x = 22,716,840.85/5,507.05
  6. Step 6: Final answer
    x = 4,125.05

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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.