Home / 2,565.81-3,836.70-1,833.12

Finding the Fourth Proportional to 2,565.81, 3,836.70 and 1,833.12

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Solution

The fourth proportional to 2,565.81, 3,836.70 and 1,833.12 is: 2,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.81 : 3,836.70 = 1,833.12 : x
  2. Step 2: Convert to fraction form
    2,565.81/3,836.70 = 1,833.12/x
  3. Step 3: Cross multiply
    2,565.81x = 3,836.70 × 1,833.12
  4. Step 4: Simplify right side
    2,565.81x = 7,033,131.50
  5. Step 5: Solve for x
    x = 7,033,131.50/2,565.81
  6. Step 6: Final answer
    x = 2,741.10

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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.