Home / 4,265.78-5,886.87-2,402.78

Finding the Fourth Proportional to 4,265.78, 5,886.87 and 2,402.78

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Solution

The fourth proportional to 4,265.78, 5,886.87 and 2,402.78 is: 3,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.78 : 5,886.87 = 2,402.78 : x
  2. Step 2: Convert to fraction form
    4,265.78/5,886.87 = 2,402.78/x
  3. Step 3: Cross multiply
    4,265.78x = 5,886.87 × 2,402.78
  4. Step 4: Simplify right side
    4,265.78x = 14,144,853.50
  5. Step 5: Solve for x
    x = 14,144,853.50/4,265.78
  6. Step 6: Final answer
    x = 3,315.89

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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.