Home / 5,632.07-7,772.55-3,242.40

Finding the Fourth Proportional to 5,632.07, 7,772.55 and 3,242.40

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Solution

The fourth proportional to 5,632.07, 7,772.55 and 3,242.40 is: 4,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.07 : 7,772.55 = 3,242.40 : x
  2. Step 2: Convert to fraction form
    5,632.07/7,772.55 = 3,242.40/x
  3. Step 3: Cross multiply
    5,632.07x = 7,772.55 × 3,242.40
  4. Step 4: Simplify right side
    5,632.07x = 25,201,716.12
  5. Step 5: Solve for x
    x = 25,201,716.12/5,632.07
  6. Step 6: Final answer
    x = 4,474.68

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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.