Home / 5,307.36-7,324.40-2,949.72

Finding the Fourth Proportional to 5,307.36, 7,324.40 and 2,949.72

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Solution

The fourth proportional to 5,307.36, 7,324.40 and 2,949.72 is: 4,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.36 : 7,324.40 = 2,949.72 : x
  2. Step 2: Convert to fraction form
    5,307.36/7,324.40 = 2,949.72/x
  3. Step 3: Cross multiply
    5,307.36x = 7,324.40 × 2,949.72
  4. Step 4: Simplify right side
    5,307.36x = 21,604,929.17
  5. Step 5: Solve for x
    x = 21,604,929.17/5,307.36
  6. Step 6: Final answer
    x = 4,070.75

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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.