Home / 7,026.81-9,695.70-4,042.77

Finding the Fourth Proportional to 7,026.81, 9,695.70 and 4,042.77

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Solution

The fourth proportional to 7,026.81, 9,695.70 and 4,042.77 is: 5,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.81 : 9,695.70 = 4,042.77 : x
  2. Step 2: Convert to fraction form
    7,026.81/9,695.70 = 4,042.77/x
  3. Step 3: Cross multiply
    7,026.81x = 9,695.70 × 4,042.77
  4. Step 4: Simplify right side
    7,026.81x = 39,197,485.09
  5. Step 5: Solve for x
    x = 39,197,485.09/7,026.81
  6. Step 6: Final answer
    x = 5,578.28

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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.