Home / 5,307.17-7,324.70-3,820.01

Finding the Fourth Proportional to 5,307.17, 7,324.70 and 3,820.01

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Solution

The fourth proportional to 5,307.17, 7,324.70 and 3,820.01 is: 5,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.17 : 7,324.70 = 3,820.01 : x
  2. Step 2: Convert to fraction form
    5,307.17/7,324.70 = 3,820.01/x
  3. Step 3: Cross multiply
    5,307.17x = 7,324.70 × 3,820.01
  4. Step 4: Simplify right side
    5,307.17x = 27,980,371.52
  5. Step 5: Solve for x
    x = 27,980,371.52/5,307.17
  6. Step 6: Final answer
    x = 5,272.19

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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.