Home / 7,435.40-11,152.02-2,169.01

Finding the Fourth Proportional to 7,435.40, 11,152.02 and 2,169.01

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Solution

The fourth proportional to 7,435.40, 11,152.02 and 2,169.01 is: 3,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.40 : 11,152.02 = 2,169.01 : x
  2. Step 2: Convert to fraction form
    7,435.40/11,152.02 = 2,169.01/x
  3. Step 3: Cross multiply
    7,435.40x = 11,152.02 × 2,169.01
  4. Step 4: Simplify right side
    7,435.40x = 24,188,787.14
  5. Step 5: Solve for x
    x = 24,188,787.14/7,435.40
  6. Step 6: Final answer
    x = 3,253.19

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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.