Home / 4,186.38-5,775.51-2,925.18

Finding the Fourth Proportional to 4,186.38, 5,775.51 and 2,925.18

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Solution

The fourth proportional to 4,186.38, 5,775.51 and 2,925.18 is: 4,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.38 : 5,775.51 = 2,925.18 : x
  2. Step 2: Convert to fraction form
    4,186.38/5,775.51 = 2,925.18/x
  3. Step 3: Cross multiply
    4,186.38x = 5,775.51 × 2,925.18
  4. Step 4: Simplify right side
    4,186.38x = 16,894,406.34
  5. Step 5: Solve for x
    x = 16,894,406.34/4,186.38
  6. Step 6: Final answer
    x = 4,035.56

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Half scale
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Double scale
Find fourth proportional to 4,187.38, 5,776.89 and 2,926.18
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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.