Home / 5,440.51-8,159.55-2,664.40

Finding the Fourth Proportional to 5,440.51, 8,159.55 and 2,664.40

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Solution

The fourth proportional to 5,440.51, 8,159.55 and 2,664.40 is: 3,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.51 : 8,159.55 = 2,664.40 : x
  2. Step 2: Convert to fraction form
    5,440.51/8,159.55 = 2,664.40/x
  3. Step 3: Cross multiply
    5,440.51x = 8,159.55 × 2,664.40
  4. Step 4: Simplify right side
    5,440.51x = 21,740,305.02
  5. Step 5: Solve for x
    x = 21,740,305.02/5,440.51
  6. Step 6: Final answer
    x = 3,996.00

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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.