Home / 7,050.85-9,729.92-4,066.81

Finding the Fourth Proportional to 7,050.85, 9,729.92 and 4,066.81

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Solution

The fourth proportional to 7,050.85, 9,729.92 and 4,066.81 is: 5,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.85 : 9,729.92 = 4,066.81 : x
  2. Step 2: Convert to fraction form
    7,050.85/9,729.92 = 4,066.81/x
  3. Step 3: Cross multiply
    7,050.85x = 9,729.92 × 4,066.81
  4. Step 4: Simplify right side
    7,050.85x = 39,569,715.62
  5. Step 5: Solve for x
    x = 39,569,715.62/7,050.85
  6. Step 6: Final answer
    x = 5,612.05

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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.