Home / 4,186.16-5,771.64-3,068.72

Finding the Fourth Proportional to 4,186.16, 5,771.64 and 3,068.72

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Solution

The fourth proportional to 4,186.16, 5,771.64 and 3,068.72 is: 4,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.16 : 5,771.64 = 3,068.72 : x
  2. Step 2: Convert to fraction form
    4,186.16/5,771.64 = 3,068.72/x
  3. Step 3: Cross multiply
    4,186.16x = 5,771.64 × 3,068.72
  4. Step 4: Simplify right side
    4,186.16x = 17,711,547.10
  5. Step 5: Solve for x
    x = 17,711,547.10/4,186.16
  6. Step 6: Final answer
    x = 4,230.98

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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.