Home / 4,077.08-5,627.20-2,661.00

Finding the Fourth Proportional to 4,077.08, 5,627.20 and 2,661.00

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Solution

The fourth proportional to 4,077.08, 5,627.20 and 2,661.00 is: 3,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.08 : 5,627.20 = 2,661.00 : x
  2. Step 2: Convert to fraction form
    4,077.08/5,627.20 = 2,661.00/x
  3. Step 3: Cross multiply
    4,077.08x = 5,627.20 × 2,661.00
  4. Step 4: Simplify right side
    4,077.08x = 14,973,980.60
  5. Step 5: Solve for x
    x = 14,973,980.60/4,077.08
  6. Step 6: Final answer
    x = 3,672.72

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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.