Home / 5,094.75-7,030.71-2,856.81

Finding the Fourth Proportional to 5,094.75, 7,030.71 and 2,856.81

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Solution

The fourth proportional to 5,094.75, 7,030.71 and 2,856.81 is: 3,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.75 : 7,030.71 = 2,856.81 : x
  2. Step 2: Convert to fraction form
    5,094.75/7,030.71 = 2,856.81/x
  3. Step 3: Cross multiply
    5,094.75x = 7,030.71 × 2,856.81
  4. Step 4: Simplify right side
    5,094.75x = 20,085,402.64
  5. Step 5: Solve for x
    x = 20,085,402.64/5,094.75
  6. Step 6: Final answer
    x = 3,942.37

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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.