Home / 1,856.70-2,560.95-1,623.42

Finding the Fourth Proportional to 1,856.70, 2,560.95 and 1,623.42

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Solution

The fourth proportional to 1,856.70, 2,560.95 and 1,623.42 is: 2,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.70 : 2,560.95 = 1,623.42 : x
  2. Step 2: Convert to fraction form
    1,856.70/2,560.95 = 1,623.42/x
  3. Step 3: Cross multiply
    1,856.70x = 2,560.95 × 1,623.42
  4. Step 4: Simplify right side
    1,856.70x = 4,157,497.45
  5. Step 5: Solve for x
    x = 4,157,497.45/1,856.70
  6. Step 6: Final answer
    x = 2,239.19

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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.