Home / 5,680.48-8,513.54-2,557.16

Finding the Fourth Proportional to 5,680.48, 8,513.54 and 2,557.16

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Solution

The fourth proportional to 5,680.48, 8,513.54 and 2,557.16 is: 3,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.48 : 8,513.54 = 2,557.16 : x
  2. Step 2: Convert to fraction form
    5,680.48/8,513.54 = 2,557.16/x
  3. Step 3: Cross multiply
    5,680.48x = 8,513.54 × 2,557.16
  4. Step 4: Simplify right side
    5,680.48x = 21,770,483.95
  5. Step 5: Solve for x
    x = 21,770,483.95/5,680.48
  6. Step 6: Final answer
    x = 3,832.51

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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.