Home / 7,154.02-10,729.72-2,992.92

Finding the Fourth Proportional to 7,154.02, 10,729.72 and 2,992.92

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Solution

The fourth proportional to 7,154.02, 10,729.72 and 2,992.92 is: 4,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.02 : 10,729.72 = 2,992.92 : x
  2. Step 2: Convert to fraction form
    7,154.02/10,729.72 = 2,992.92/x
  3. Step 3: Cross multiply
    7,154.02x = 10,729.72 × 2,992.92
  4. Step 4: Simplify right side
    7,154.02x = 32,113,193.58
  5. Step 5: Solve for x
    x = 32,113,193.58/7,154.02
  6. Step 6: Final answer
    x = 4,488.83

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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.