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Finding the Fourth Proportional to 1,875.92, 2,589.08 and 1,792.88

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Solution

The fourth proportional to 1,875.92, 2,589.08 and 1,792.88 is: 2,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.92 : 2,589.08 = 1,792.88 : x
  2. Step 2: Convert to fraction form
    1,875.92/2,589.08 = 1,792.88/x
  3. Step 3: Cross multiply
    1,875.92x = 2,589.08 × 1,792.88
  4. Step 4: Simplify right side
    1,875.92x = 4,641,887.84
  5. Step 5: Solve for x
    x = 4,641,887.84/1,875.92
  6. Step 6: Final answer
    x = 2,474.47

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1.5x scale

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.