Home / 5,497.55-7,587-3,106.70

Finding the Fourth Proportional to 5,497.55, 7,587 and 3,106.70

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Solution

The fourth proportional to 5,497.55, 7,587 and 3,106.70 is: 4,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.55 : 7,587 = 3,106.70 : x
  2. Step 2: Convert to fraction form
    5,497.55/7,587 = 3,106.70/x
  3. Step 3: Cross multiply
    5,497.55x = 7,587 × 3,106.70
  4. Step 4: Simplify right side
    5,497.55x = 23,570,532.90
  5. Step 5: Solve for x
    x = 23,570,532.90/5,497.55
  6. Step 6: Final answer
    x = 4,287.46

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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.