Home / 3,077.02-4,245.08-1,732.32

Finding the Fourth Proportional to 3,077.02, 4,245.08 and 1,732.32

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Solution

The fourth proportional to 3,077.02, 4,245.08 and 1,732.32 is: 2,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.02 : 4,245.08 = 1,732.32 : x
  2. Step 2: Convert to fraction form
    3,077.02/4,245.08 = 1,732.32/x
  3. Step 3: Cross multiply
    3,077.02x = 4,245.08 × 1,732.32
  4. Step 4: Simplify right side
    3,077.02x = 7,353,836.99
  5. Step 5: Solve for x
    x = 7,353,836.99/3,077.02
  6. Step 6: Final answer
    x = 2,389.92

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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.