Home / 7,710.02-11,563.05-3,761.36

Finding the Fourth Proportional to 7,710.02, 11,563.05 and 3,761.36

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Solution

The fourth proportional to 7,710.02, 11,563.05 and 3,761.36 is: 5,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.02 : 11,563.05 = 3,761.36 : x
  2. Step 2: Convert to fraction form
    7,710.02/11,563.05 = 3,761.36/x
  3. Step 3: Cross multiply
    7,710.02x = 11,563.05 × 3,761.36
  4. Step 4: Simplify right side
    7,710.02x = 43,492,793.75
  5. Step 5: Solve for x
    x = 43,492,793.75/7,710.02
  6. Step 6: Final answer
    x = 5,641.07

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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.