Home / 5,250.58-7,880.73-2,655.34

Finding the Fourth Proportional to 5,250.58, 7,880.73 and 2,655.34

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Solution

The fourth proportional to 5,250.58, 7,880.73 and 2,655.34 is: 3,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.58 : 7,880.73 = 2,655.34 : x
  2. Step 2: Convert to fraction form
    5,250.58/7,880.73 = 2,655.34/x
  3. Step 3: Cross multiply
    5,250.58x = 7,880.73 × 2,655.34
  4. Step 4: Simplify right side
    5,250.58x = 20,926,017.60
  5. Step 5: Solve for x
    x = 20,926,017.60/5,250.58
  6. Step 6: Final answer
    x = 3,985.47

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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.