Home / 7,475.87-11,215.02-2,545

Finding the Fourth Proportional to 7,475.87, 11,215.02 and 2,545

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Solution

The fourth proportional to 7,475.87, 11,215.02 and 2,545 is: 3,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.87 : 11,215.02 = 2,545 : x
  2. Step 2: Convert to fraction form
    7,475.87/11,215.02 = 2,545/x
  3. Step 3: Cross multiply
    7,475.87x = 11,215.02 × 2,545
  4. Step 4: Simplify right side
    7,475.87x = 28,542,225.90
  5. Step 5: Solve for x
    x = 28,542,225.90/7,475.87
  6. Step 6: Final answer
    x = 3,817.91

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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.