Home / 5,316.32-7,336.18-2,958.40

Finding the Fourth Proportional to 5,316.32, 7,336.18 and 2,958.40

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Solution

The fourth proportional to 5,316.32, 7,336.18 and 2,958.40 is: 4,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.32 : 7,336.18 = 2,958.40 : x
  2. Step 2: Convert to fraction form
    5,316.32/7,336.18 = 2,958.40/x
  3. Step 3: Cross multiply
    5,316.32x = 7,336.18 × 2,958.40
  4. Step 4: Simplify right side
    5,316.32x = 21,703,354.91
  5. Step 5: Solve for x
    x = 21,703,354.91/5,316.32
  6. Step 6: Final answer
    x = 4,082.40

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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.