Home / 4,275.81-5,903.96-3,279.51

Finding the Fourth Proportional to 4,275.81, 5,903.96 and 3,279.51

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Solution

The fourth proportional to 4,275.81, 5,903.96 and 3,279.51 is: 4,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.81 : 5,903.96 = 3,279.51 : x
  2. Step 2: Convert to fraction form
    4,275.81/5,903.96 = 3,279.51/x
  3. Step 3: Cross multiply
    4,275.81x = 5,903.96 × 3,279.51
  4. Step 4: Simplify right side
    4,275.81x = 19,362,079.46
  5. Step 5: Solve for x
    x = 19,362,079.46/4,275.81
  6. Step 6: Final answer
    x = 4,528.28

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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.