Home / 4,688.92-6,476.16-3,114.28

Finding the Fourth Proportional to 4,688.92, 6,476.16 and 3,114.28

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Solution

The fourth proportional to 4,688.92, 6,476.16 and 3,114.28 is: 4,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.92 : 6,476.16 = 3,114.28 : x
  2. Step 2: Convert to fraction form
    4,688.92/6,476.16 = 3,114.28/x
  3. Step 3: Cross multiply
    4,688.92x = 6,476.16 × 3,114.28
  4. Step 4: Simplify right side
    4,688.92x = 20,168,575.56
  5. Step 5: Solve for x
    x = 20,168,575.56/4,688.92
  6. Step 6: Final answer
    x = 4,301.33

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Double scale
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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.