Home / 5,635.42-7,776.57-3,117.37

Finding the Fourth Proportional to 5,635.42, 7,776.57 and 3,117.37

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Solution

The fourth proportional to 5,635.42, 7,776.57 and 3,117.37 is: 4,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.42 : 7,776.57 = 3,117.37 : x
  2. Step 2: Convert to fraction form
    5,635.42/7,776.57 = 3,117.37/x
  3. Step 3: Cross multiply
    5,635.42x = 7,776.57 × 3,117.37
  4. Step 4: Simplify right side
    5,635.42x = 24,242,426.55
  5. Step 5: Solve for x
    x = 24,242,426.55/5,635.42
  6. Step 6: Final answer
    x = 4,301.79

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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.