Home / 5,867.81-8,097.36-3,215.24

Finding the Fourth Proportional to 5,867.81, 8,097.36 and 3,215.24

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Solution

The fourth proportional to 5,867.81, 8,097.36 and 3,215.24 is: 4,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.81 : 8,097.36 = 3,215.24 : x
  2. Step 2: Convert to fraction form
    5,867.81/8,097.36 = 3,215.24/x
  3. Step 3: Cross multiply
    5,867.81x = 8,097.36 × 3,215.24
  4. Step 4: Simplify right side
    5,867.81x = 26,034,955.77
  5. Step 5: Solve for x
    x = 26,034,955.77/5,867.81
  6. Step 6: Final answer
    x = 4,436.91

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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.