Home / 2,526.45-3,486.54-1,392.11

Finding the Fourth Proportional to 2,526.45, 3,486.54 and 1,392.11

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Solution

The fourth proportional to 2,526.45, 3,486.54 and 1,392.11 is: 1,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.45 : 3,486.54 = 1,392.11 : x
  2. Step 2: Convert to fraction form
    2,526.45/3,486.54 = 1,392.11/x
  3. Step 3: Cross multiply
    2,526.45x = 3,486.54 × 1,392.11
  4. Step 4: Simplify right side
    2,526.45x = 4,853,647.20
  5. Step 5: Solve for x
    x = 4,853,647.20/2,526.45
  6. Step 6: Final answer
    x = 1,921.13

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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.