Home / 10,435.49-15,653.01-2,538.05

Finding the Fourth Proportional to 10,435.49, 15,653.01 and 2,538.05

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Solution

The fourth proportional to 10,435.49, 15,653.01 and 2,538.05 is: 3,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.49 : 15,653.01 = 2,538.05 : x
  2. Step 2: Convert to fraction form
    10,435.49/15,653.01 = 2,538.05/x
  3. Step 3: Cross multiply
    10,435.49x = 15,653.01 × 2,538.05
  4. Step 4: Simplify right side
    10,435.49x = 39,728,043.77
  5. Step 5: Solve for x
    x = 39,728,043.77/10,435.49
  6. Step 6: Final answer
    x = 3,807.01

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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.