Home / 1,803.90-2,490.54-1,473.12

Finding the Fourth Proportional to 1,803.90, 2,490.54 and 1,473.12

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Solution

The fourth proportional to 1,803.90, 2,490.54 and 1,473.12 is: 2,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.90 : 2,490.54 = 1,473.12 : x
  2. Step 2: Convert to fraction form
    1,803.90/2,490.54 = 1,473.12/x
  3. Step 3: Cross multiply
    1,803.90x = 2,490.54 × 1,473.12
  4. Step 4: Simplify right side
    1,803.90x = 3,668,864.28
  5. Step 5: Solve for x
    x = 3,668,864.28/1,803.90
  6. Step 6: Final answer
    x = 2,033.85

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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.