Home / 5,513.02-8,310.84-5,146.41

Finding the Fourth Proportional to 5,513.02, 8,310.84 and 5,146.41

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Solution

The fourth proportional to 5,513.02, 8,310.84 and 5,146.41 is: 7,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.02 : 8,310.84 = 5,146.41 : x
  2. Step 2: Convert to fraction form
    5,513.02/8,310.84 = 5,146.41/x
  3. Step 3: Cross multiply
    5,513.02x = 8,310.84 × 5,146.41
  4. Step 4: Simplify right side
    5,513.02x = 42,770,990.08
  5. Step 5: Solve for x
    x = 42,770,990.08/5,513.02
  6. Step 6: Final answer
    x = 7,758.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.