Home / 5,870.32-8,800.08-2,171.68

Finding the Fourth Proportional to 5,870.32, 8,800.08 and 2,171.68

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Solution

The fourth proportional to 5,870.32, 8,800.08 and 2,171.68 is: 3,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.32 : 8,800.08 = 2,171.68 : x
  2. Step 2: Convert to fraction form
    5,870.32/8,800.08 = 2,171.68/x
  3. Step 3: Cross multiply
    5,870.32x = 8,800.08 × 2,171.68
  4. Step 4: Simplify right side
    5,870.32x = 19,110,957.73
  5. Step 5: Solve for x
    x = 19,110,957.73/5,870.32
  6. Step 6: Final answer
    x = 3,255.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.