Home / 7,559.20-10,431.64-4,202.32

Finding the Fourth Proportional to 7,559.20, 10,431.64 and 4,202.32

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Solution

The fourth proportional to 7,559.20, 10,431.64 and 4,202.32 is: 5,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.20 : 10,431.64 = 4,202.32 : x
  2. Step 2: Convert to fraction form
    7,559.20/10,431.64 = 4,202.32/x
  3. Step 3: Cross multiply
    7,559.20x = 10,431.64 × 4,202.32
  4. Step 4: Simplify right side
    7,559.20x = 43,837,089.40
  5. Step 5: Solve for x
    x = 43,837,089.40/7,559.20
  6. Step 6: Final answer
    x = 5,799.17

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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.