Home / 7,066.86-10,600.02-2,905.71

Finding the Fourth Proportional to 7,066.86, 10,600.02 and 2,905.71

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Solution

The fourth proportional to 7,066.86, 10,600.02 and 2,905.71 is: 4,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.86 : 10,600.02 = 2,905.71 : x
  2. Step 2: Convert to fraction form
    7,066.86/10,600.02 = 2,905.71/x
  3. Step 3: Cross multiply
    7,066.86x = 10,600.02 × 2,905.71
  4. Step 4: Simplify right side
    7,066.86x = 30,800,584.11
  5. Step 5: Solve for x
    x = 30,800,584.11/7,066.86
  6. Step 6: Final answer
    x = 4,358.45

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1.5x scale

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.