Home / 6,332.58-8,740.10-3,679.63

Finding the Fourth Proportional to 6,332.58, 8,740.10 and 3,679.63

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Solution

The fourth proportional to 6,332.58, 8,740.10 and 3,679.63 is: 5,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.58 : 8,740.10 = 3,679.63 : x
  2. Step 2: Convert to fraction form
    6,332.58/8,740.10 = 3,679.63/x
  3. Step 3: Cross multiply
    6,332.58x = 8,740.10 × 3,679.63
  4. Step 4: Simplify right side
    6,332.58x = 32,160,321.51
  5. Step 5: Solve for x
    x = 32,160,321.51/6,332.58
  6. Step 6: Final answer
    x = 5,078.55

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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.