Home / 5,931.12-8,185.14-4,068.12

Finding the Fourth Proportional to 5,931.12, 8,185.14 and 4,068.12

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Solution

The fourth proportional to 5,931.12, 8,185.14 and 4,068.12 is: 5,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.12 : 8,185.14 = 4,068.12 : x
  2. Step 2: Convert to fraction form
    5,931.12/8,185.14 = 4,068.12/x
  3. Step 3: Cross multiply
    5,931.12x = 8,185.14 × 4,068.12
  4. Step 4: Simplify right side
    5,931.12x = 33,298,131.74
  5. Step 5: Solve for x
    x = 33,298,131.74/5,931.12
  6. Step 6: Final answer
    x = 5,614.14

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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.