Home / 2,185.41-3,272.02-1,870.11

Finding the Fourth Proportional to 2,185.41, 3,272.02 and 1,870.11

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Solution

The fourth proportional to 2,185.41, 3,272.02 and 1,870.11 is: 2,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.41 : 3,272.02 = 1,870.11 : x
  2. Step 2: Convert to fraction form
    2,185.41/3,272.02 = 1,870.11/x
  3. Step 3: Cross multiply
    2,185.41x = 3,272.02 × 1,870.11
  4. Step 4: Simplify right side
    2,185.41x = 6,119,047.11
  5. Step 5: Solve for x
    x = 6,119,047.11/2,185.41
  6. Step 6: Final answer
    x = 2,799.96

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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.