Home / 5,316.61-7,336.71-2,958.70

Finding the Fourth Proportional to 5,316.61, 7,336.71 and 2,958.70

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Solution

The fourth proportional to 5,316.61, 7,336.71 and 2,958.70 is: 4,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.61 : 7,336.71 = 2,958.70 : x
  2. Step 2: Convert to fraction form
    5,316.61/7,336.71 = 2,958.70/x
  3. Step 3: Cross multiply
    5,316.61x = 7,336.71 × 2,958.70
  4. Step 4: Simplify right side
    5,316.61x = 21,707,123.88
  5. Step 5: Solve for x
    x = 21,707,123.88/5,316.61
  6. Step 6: Final answer
    x = 4,082.89

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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.