Home / 5,497.76-7,587.24-3,140.12

Finding the Fourth Proportional to 5,497.76, 7,587.24 and 3,140.12

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Solution

The fourth proportional to 5,497.76, 7,587.24 and 3,140.12 is: 4,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.76 : 7,587.24 = 3,140.12 : x
  2. Step 2: Convert to fraction form
    5,497.76/7,587.24 = 3,140.12/x
  3. Step 3: Cross multiply
    5,497.76x = 7,587.24 × 3,140.12
  4. Step 4: Simplify right side
    5,497.76x = 23,824,844.07
  5. Step 5: Solve for x
    x = 23,824,844.07/5,497.76
  6. Step 6: Final answer
    x = 4,333.55

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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.