Home / 5,513.40-8,264.70-4,930.20

Finding the Fourth Proportional to 5,513.40, 8,264.70 and 4,930.20

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Solution

The fourth proportional to 5,513.40, 8,264.70 and 4,930.20 is: 7,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.40 : 8,264.70 = 4,930.20 : x
  2. Step 2: Convert to fraction form
    5,513.40/8,264.70 = 4,930.20/x
  3. Step 3: Cross multiply
    5,513.40x = 8,264.70 × 4,930.20
  4. Step 4: Simplify right side
    5,513.40x = 40,746,623.94
  5. Step 5: Solve for x
    x = 40,746,623.94/5,513.40
  6. Step 6: Final answer
    x = 7,390.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.