Home / 5,458.37-7,526.57-3,686.90

Finding the Fourth Proportional to 5,458.37, 7,526.57 and 3,686.90

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Solution

The fourth proportional to 5,458.37, 7,526.57 and 3,686.90 is: 5,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.37 : 7,526.57 = 3,686.90 : x
  2. Step 2: Convert to fraction form
    5,458.37/7,526.57 = 3,686.90/x
  3. Step 3: Cross multiply
    5,458.37x = 7,526.57 × 3,686.90
  4. Step 4: Simplify right side
    5,458.37x = 27,749,682.52
  5. Step 5: Solve for x
    x = 27,749,682.52/5,458.37
  6. Step 6: Final answer
    x = 5,083.88

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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.