Home / 3,447.57-4,757.75-1,875.77

Finding the Fourth Proportional to 3,447.57, 4,757.75 and 1,875.77

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Solution

The fourth proportional to 3,447.57, 4,757.75 and 1,875.77 is: 2,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.57 : 4,757.75 = 1,875.77 : x
  2. Step 2: Convert to fraction form
    3,447.57/4,757.75 = 1,875.77/x
  3. Step 3: Cross multiply
    3,447.57x = 4,757.75 × 1,875.77
  4. Step 4: Simplify right side
    3,447.57x = 8,924,444.72
  5. Step 5: Solve for x
    x = 8,924,444.72/3,447.57
  6. Step 6: Final answer
    x = 2,588.62

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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.