Home / 7,079.51-9,769.63-4,095.28

Finding the Fourth Proportional to 7,079.51, 9,769.63 and 4,095.28

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Solution

The fourth proportional to 7,079.51, 9,769.63 and 4,095.28 is: 5,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.51 : 9,769.63 = 4,095.28 : x
  2. Step 2: Convert to fraction form
    7,079.51/9,769.63 = 4,095.28/x
  3. Step 3: Cross multiply
    7,079.51x = 9,769.63 × 4,095.28
  4. Step 4: Simplify right side
    7,079.51x = 40,009,370.35
  5. Step 5: Solve for x
    x = 40,009,370.35/7,079.51
  6. Step 6: Final answer
    x = 5,651.43

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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.