Home / 5,192.40-7,784.64-2,597.16

Finding the Fourth Proportional to 5,192.40, 7,784.64 and 2,597.16

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Solution

The fourth proportional to 5,192.40, 7,784.64 and 2,597.16 is: 3,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.40 : 7,784.64 = 2,597.16 : x
  2. Step 2: Convert to fraction form
    5,192.40/7,784.64 = 2,597.16/x
  3. Step 3: Cross multiply
    5,192.40x = 7,784.64 × 2,597.16
  4. Step 4: Simplify right side
    5,192.40x = 20,217,955.62
  5. Step 5: Solve for x
    x = 20,217,955.62/5,192.40
  6. Step 6: Final answer
    x = 3,893.76

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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.