Home / 7,077.30-9,770.13-4,426.17

Finding the Fourth Proportional to 7,077.30, 9,770.13 and 4,426.17

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Solution

The fourth proportional to 7,077.30, 9,770.13 and 4,426.17 is: 6,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.30 : 9,770.13 = 4,426.17 : x
  2. Step 2: Convert to fraction form
    7,077.30/9,770.13 = 4,426.17/x
  3. Step 3: Cross multiply
    7,077.30x = 9,770.13 × 4,426.17
  4. Step 4: Simplify right side
    7,077.30x = 43,244,256.30
  5. Step 5: Solve for x
    x = 43,244,256.30/7,077.30
  6. Step 6: Final answer
    x = 6,110.28

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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.