Home / 5,274.40-7,272.48-4,012.24

Finding the Fourth Proportional to 5,274.40, 7,272.48 and 4,012.24

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Solution

The fourth proportional to 5,274.40, 7,272.48 and 4,012.24 is: 5,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.40 : 7,272.48 = 4,012.24 : x
  2. Step 2: Convert to fraction form
    5,274.40/7,272.48 = 4,012.24/x
  3. Step 3: Cross multiply
    5,274.40x = 7,272.48 × 4,012.24
  4. Step 4: Simplify right side
    5,274.40x = 29,178,935.16
  5. Step 5: Solve for x
    x = 29,178,935.16/5,274.40
  6. Step 6: Final answer
    x = 5,532.18

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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.