Home / 5,329.90-7,357.28-4,007.44

Finding the Fourth Proportional to 5,329.90, 7,357.28 and 4,007.44

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Solution

The fourth proportional to 5,329.90, 7,357.28 and 4,007.44 is: 5,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.90 : 7,357.28 = 4,007.44 : x
  2. Step 2: Convert to fraction form
    5,329.90/7,357.28 = 4,007.44/x
  3. Step 3: Cross multiply
    5,329.90x = 7,357.28 × 4,007.44
  4. Step 4: Simplify right side
    5,329.90x = 29,483,868.18
  5. Step 5: Solve for x
    x = 29,483,868.18/5,329.90
  6. Step 6: Final answer
    x = 5,531.79

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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.