Home / 4,270.71-5,893.98-2,478.87

Finding the Fourth Proportional to 4,270.71, 5,893.98 and 2,478.87

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Solution

The fourth proportional to 4,270.71, 5,893.98 and 2,478.87 is: 3,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.71 : 5,893.98 = 2,478.87 : x
  2. Step 2: Convert to fraction form
    4,270.71/5,893.98 = 2,478.87/x
  3. Step 3: Cross multiply
    4,270.71x = 5,893.98 × 2,478.87
  4. Step 4: Simplify right side
    4,270.71x = 14,610,410.20
  5. Step 5: Solve for x
    x = 14,610,410.20/4,270.71
  6. Step 6: Final answer
    x = 3,421.07

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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.