Home / 3,659.52-5,048.55-2,818.74

Finding the Fourth Proportional to 3,659.52, 5,048.55 and 2,818.74

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Solution

The fourth proportional to 3,659.52, 5,048.55 and 2,818.74 is: 3,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.52 : 5,048.55 = 2,818.74 : x
  2. Step 2: Convert to fraction form
    3,659.52/5,048.55 = 2,818.74/x
  3. Step 3: Cross multiply
    3,659.52x = 5,048.55 × 2,818.74
  4. Step 4: Simplify right side
    3,659.52x = 14,230,549.83
  5. Step 5: Solve for x
    x = 14,230,549.83/3,659.52
  6. Step 6: Final answer
    x = 3,888.64

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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.