Home / 2,654.07-3,980.16-1,011.06

Finding the Fourth Proportional to 2,654.07, 3,980.16 and 1,011.06

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Solution

The fourth proportional to 2,654.07, 3,980.16 and 1,011.06 is: 1,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.07 : 3,980.16 = 1,011.06 : x
  2. Step 2: Convert to fraction form
    2,654.07/3,980.16 = 1,011.06/x
  3. Step 3: Cross multiply
    2,654.07x = 3,980.16 × 1,011.06
  4. Step 4: Simplify right side
    2,654.07x = 4,024,180.57
  5. Step 5: Solve for x
    x = 4,024,180.57/2,654.07
  6. Step 6: Final answer
    x = 1,516.23

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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.