Home / 5,307.92-7,325.73-3,820.76

Finding the Fourth Proportional to 5,307.92, 7,325.73 and 3,820.76

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Solution

The fourth proportional to 5,307.92, 7,325.73 and 3,820.76 is: 5,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.92 : 7,325.73 = 3,820.76 : x
  2. Step 2: Convert to fraction form
    5,307.92/7,325.73 = 3,820.76/x
  3. Step 3: Cross multiply
    5,307.92x = 7,325.73 × 3,820.76
  4. Step 4: Simplify right side
    5,307.92x = 27,989,819.53
  5. Step 5: Solve for x
    x = 27,989,819.53/5,307.92
  6. Step 6: Final answer
    x = 5,273.22

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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.