Home / 7,757.44-10,707.09-4,615.45

Finding the Fourth Proportional to 7,757.44, 10,707.09 and 4,615.45

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Solution

The fourth proportional to 7,757.44, 10,707.09 and 4,615.45 is: 6,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.44 : 10,707.09 = 4,615.45 : x
  2. Step 2: Convert to fraction form
    7,757.44/10,707.09 = 4,615.45/x
  3. Step 3: Cross multiply
    7,757.44x = 10,707.09 × 4,615.45
  4. Step 4: Simplify right side
    7,757.44x = 49,417,994.46
  5. Step 5: Solve for x
    x = 49,417,994.46/7,757.44
  6. Step 6: Final answer
    x = 6,370.40

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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.