Home / 5,900.64-8,140.32-3,660.90

Finding the Fourth Proportional to 5,900.64, 8,140.32 and 3,660.90

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Solution

The fourth proportional to 5,900.64, 8,140.32 and 3,660.90 is: 5,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.64 : 8,140.32 = 3,660.90 : x
  2. Step 2: Convert to fraction form
    5,900.64/8,140.32 = 3,660.90/x
  3. Step 3: Cross multiply
    5,900.64x = 8,140.32 × 3,660.90
  4. Step 4: Simplify right side
    5,900.64x = 29,800,897.49
  5. Step 5: Solve for x
    x = 29,800,897.49/5,900.64
  6. Step 6: Final answer
    x = 5,050.45

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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.