Home / 5,598.12-7,728.03-3,239.81

Finding the Fourth Proportional to 5,598.12, 7,728.03 and 3,239.81

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Solution

The fourth proportional to 5,598.12, 7,728.03 and 3,239.81 is: 4,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.12 : 7,728.03 = 3,239.81 : x
  2. Step 2: Convert to fraction form
    5,598.12/7,728.03 = 3,239.81/x
  3. Step 3: Cross multiply
    5,598.12x = 7,728.03 × 3,239.81
  4. Step 4: Simplify right side
    5,598.12x = 25,037,310.23
  5. Step 5: Solve for x
    x = 25,037,310.23/5,598.12
  6. Step 6: Final answer
    x = 4,472.45

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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.