Home / 1,533.75-2,295.15-1,329.02

Finding the Fourth Proportional to 1,533.75, 2,295.15 and 1,329.02

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Solution

The fourth proportional to 1,533.75, 2,295.15 and 1,329.02 is: 1,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.75 : 2,295.15 = 1,329.02 : x
  2. Step 2: Convert to fraction form
    1,533.75/2,295.15 = 1,329.02/x
  3. Step 3: Cross multiply
    1,533.75x = 2,295.15 × 1,329.02
  4. Step 4: Simplify right side
    1,533.75x = 3,050,300.25
  5. Step 5: Solve for x
    x = 3,050,300.25/1,533.75
  6. Step 6: Final answer
    x = 1,988.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.