Home / 3,276.47-4,521.39-1,860.13

Finding the Fourth Proportional to 3,276.47, 4,521.39 and 1,860.13

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Solution

The fourth proportional to 3,276.47, 4,521.39 and 1,860.13 is: 2,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.47 : 4,521.39 = 1,860.13 : x
  2. Step 2: Convert to fraction form
    3,276.47/4,521.39 = 1,860.13/x
  3. Step 3: Cross multiply
    3,276.47x = 4,521.39 × 1,860.13
  4. Step 4: Simplify right side
    3,276.47x = 8,410,373.18
  5. Step 5: Solve for x
    x = 8,410,373.18/3,276.47
  6. Step 6: Final answer
    x = 2,566.90

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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.