Home / 7,228.57-9,973.39-4,540.08

Finding the Fourth Proportional to 7,228.57, 9,973.39 and 4,540.08

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Solution

The fourth proportional to 7,228.57, 9,973.39 and 4,540.08 is: 6,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.57 : 9,973.39 = 4,540.08 : x
  2. Step 2: Convert to fraction form
    7,228.57/9,973.39 = 4,540.08/x
  3. Step 3: Cross multiply
    7,228.57x = 9,973.39 × 4,540.08
  4. Step 4: Simplify right side
    7,228.57x = 45,279,988.47
  5. Step 5: Solve for x
    x = 45,279,988.47/7,228.57
  6. Step 6: Final answer
    x = 6,264.03

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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.