Home / 4,178.16-5,766.12-2,315.16

Finding the Fourth Proportional to 4,178.16, 5,766.12 and 2,315.16

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Solution

The fourth proportional to 4,178.16, 5,766.12 and 2,315.16 is: 3,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.16 : 5,766.12 = 2,315.16 : x
  2. Step 2: Convert to fraction form
    4,178.16/5,766.12 = 2,315.16/x
  3. Step 3: Cross multiply
    4,178.16x = 5,766.12 × 2,315.16
  4. Step 4: Simplify right side
    4,178.16x = 13,349,490.38
  5. Step 5: Solve for x
    x = 13,349,490.38/4,178.16
  6. Step 6: Final answer
    x = 3,195.06

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Half scale
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Double scale
Find fourth proportional to 4,179.16, 5,767.50 and 2,316.16
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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.