Home / 7,615.38-10,502.39-4,783.02

Finding the Fourth Proportional to 7,615.38, 10,502.39 and 4,783.02

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Solution

The fourth proportional to 7,615.38, 10,502.39 and 4,783.02 is: 6,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.38 : 10,502.39 = 4,783.02 : x
  2. Step 2: Convert to fraction form
    7,615.38/10,502.39 = 4,783.02/x
  3. Step 3: Cross multiply
    7,615.38x = 10,502.39 × 4,783.02
  4. Step 4: Simplify right side
    7,615.38x = 50,233,113.99
  5. Step 5: Solve for x
    x = 50,233,113.99/7,615.38
  6. Step 6: Final answer
    x = 6,596.27

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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.