Home / 5,307.48-7,324.28-3,069.36

Finding the Fourth Proportional to 5,307.48, 7,324.28 and 3,069.36

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Solution

The fourth proportional to 5,307.48, 7,324.28 and 3,069.36 is: 4,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.48 : 7,324.28 = 3,069.36 : x
  2. Step 2: Convert to fraction form
    5,307.48/7,324.28 = 3,069.36/x
  3. Step 3: Cross multiply
    5,307.48x = 7,324.28 × 3,069.36
  4. Step 4: Simplify right side
    5,307.48x = 22,480,852.06
  5. Step 5: Solve for x
    x = 22,480,852.06/5,307.48
  6. Step 6: Final answer
    x = 4,235.69

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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.