Home / 2,932.47-4,045.28-1,813.05

Finding the Fourth Proportional to 2,932.47, 4,045.28 and 1,813.05

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Solution

The fourth proportional to 2,932.47, 4,045.28 and 1,813.05 is: 2,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.47 : 4,045.28 = 1,813.05 : x
  2. Step 2: Convert to fraction form
    2,932.47/4,045.28 = 1,813.05/x
  3. Step 3: Cross multiply
    2,932.47x = 4,045.28 × 1,813.05
  4. Step 4: Simplify right side
    2,932.47x = 7,334,285.84
  5. Step 5: Solve for x
    x = 7,334,285.84/2,932.47
  6. Step 6: Final answer
    x = 2,501.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.