Home / 5,458.18-7,523.46-3,686.68

Finding the Fourth Proportional to 5,458.18, 7,523.46 and 3,686.68

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Solution

The fourth proportional to 5,458.18, 7,523.46 and 3,686.68 is: 5,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.18 : 7,523.46 = 3,686.68 : x
  2. Step 2: Convert to fraction form
    5,458.18/7,523.46 = 3,686.68/x
  3. Step 3: Cross multiply
    5,458.18x = 7,523.46 × 3,686.68
  4. Step 4: Simplify right side
    5,458.18x = 27,736,589.51
  5. Step 5: Solve for x
    x = 27,736,589.51/5,458.18
  6. Step 6: Final answer
    x = 5,081.66

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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.