Home / 4,780.02-6,596.64-2,790.30

Finding the Fourth Proportional to 4,780.02, 6,596.64 and 2,790.30

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Solution

The fourth proportional to 4,780.02, 6,596.64 and 2,790.30 is: 3,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.02 : 6,596.64 = 2,790.30 : x
  2. Step 2: Convert to fraction form
    4,780.02/6,596.64 = 2,790.30/x
  3. Step 3: Cross multiply
    4,780.02x = 6,596.64 × 2,790.30
  4. Step 4: Simplify right side
    4,780.02x = 18,406,604.59
  5. Step 5: Solve for x
    x = 18,406,604.59/4,780.02
  6. Step 6: Final answer
    x = 3,850.74

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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.