Home / 5,291.55-7,940.96-2,373.12

Finding the Fourth Proportional to 5,291.55, 7,940.96 and 2,373.12

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Solution

The fourth proportional to 5,291.55, 7,940.96 and 2,373.12 is: 3,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.55 : 7,940.96 = 2,373.12 : x
  2. Step 2: Convert to fraction form
    5,291.55/7,940.96 = 2,373.12/x
  3. Step 3: Cross multiply
    5,291.55x = 7,940.96 × 2,373.12
  4. Step 4: Simplify right side
    5,291.55x = 18,844,851.00
  5. Step 5: Solve for x
    x = 18,844,851.00/5,291.55
  6. Step 6: Final answer
    x = 3,561.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.