Home / 2,592.11-3,885.64-1,111.71

Finding the Fourth Proportional to 2,592.11, 3,885.64 and 1,111.71

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Solution

The fourth proportional to 2,592.11, 3,885.64 and 1,111.71 is: 1,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.11 : 3,885.64 = 1,111.71 : x
  2. Step 2: Convert to fraction form
    2,592.11/3,885.64 = 1,111.71/x
  3. Step 3: Cross multiply
    2,592.11x = 3,885.64 × 1,111.71
  4. Step 4: Simplify right side
    2,592.11x = 4,319,702.07
  5. Step 5: Solve for x
    x = 4,319,702.07/2,592.11
  6. Step 6: Final answer
    x = 1,666.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.