Home / 10,435.91-15,656.42-3,040.45

Finding the Fourth Proportional to 10,435.91, 15,656.42 and 3,040.45

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Solution

The fourth proportional to 10,435.91, 15,656.42 and 3,040.45 is: 4,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.91 : 15,656.42 = 3,040.45 : x
  2. Step 2: Convert to fraction form
    10,435.91/15,656.42 = 3,040.45/x
  3. Step 3: Cross multiply
    10,435.91x = 15,656.42 × 3,040.45
  4. Step 4: Simplify right side
    10,435.91x = 47,602,468.70
  5. Step 5: Solve for x
    x = 47,602,468.70/10,435.91
  6. Step 6: Final answer
    x = 4,561.41

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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.