Home / 5,275.15-7,281.44-3,703.63

Finding the Fourth Proportional to 5,275.15, 7,281.44 and 3,703.63

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Solution

The fourth proportional to 5,275.15, 7,281.44 and 3,703.63 is: 5,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.15 : 7,281.44 = 3,703.63 : x
  2. Step 2: Convert to fraction form
    5,275.15/7,281.44 = 3,703.63/x
  3. Step 3: Cross multiply
    5,275.15x = 7,281.44 × 3,703.63
  4. Step 4: Simplify right side
    5,275.15x = 26,967,759.63
  5. Step 5: Solve for x
    x = 26,967,759.63/5,275.15
  6. Step 6: Final answer
    x = 5,112.23

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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.