Home / 4,865.52-6,712.80-2,876.16

Finding the Fourth Proportional to 4,865.52, 6,712.80 and 2,876.16

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Solution

The fourth proportional to 4,865.52, 6,712.80 and 2,876.16 is: 3,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.52 : 6,712.80 = 2,876.16 : x
  2. Step 2: Convert to fraction form
    4,865.52/6,712.80 = 2,876.16/x
  3. Step 3: Cross multiply
    4,865.52x = 6,712.80 × 2,876.16
  4. Step 4: Simplify right side
    4,865.52x = 19,307,086.85
  5. Step 5: Solve for x
    x = 19,307,086.85/4,865.52
  6. Step 6: Final answer
    x = 3,968.14

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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.