Home / 1,869.16-2,801.12-1,036.61

Finding the Fourth Proportional to 1,869.16, 2,801.12 and 1,036.61

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Solution

The fourth proportional to 1,869.16, 2,801.12 and 1,036.61 is: 1,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.16 : 2,801.12 = 1,036.61 : x
  2. Step 2: Convert to fraction form
    1,869.16/2,801.12 = 1,036.61/x
  3. Step 3: Cross multiply
    1,869.16x = 2,801.12 × 1,036.61
  4. Step 4: Simplify right side
    1,869.16x = 2,903,657.59
  5. Step 5: Solve for x
    x = 2,903,657.59/1,869.16
  6. Step 6: Final answer
    x = 1,553.46

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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.