Home / 7,532.80-10,390.08-4,735.36

Finding the Fourth Proportional to 7,532.80, 10,390.08 and 4,735.36

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Solution

The fourth proportional to 7,532.80, 10,390.08 and 4,735.36 is: 6,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.80 : 10,390.08 = 4,735.36 : x
  2. Step 2: Convert to fraction form
    7,532.80/10,390.08 = 4,735.36/x
  3. Step 3: Cross multiply
    7,532.80x = 10,390.08 × 4,735.36
  4. Step 4: Simplify right side
    7,532.80x = 49,200,769.23
  5. Step 5: Solve for x
    x = 49,200,769.23/7,532.80
  6. Step 6: Final answer
    x = 6,531.54

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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.