Home / 5,127.74-7,688.58-2,004.13

Finding the Fourth Proportional to 5,127.74, 7,688.58 and 2,004.13

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Solution

The fourth proportional to 5,127.74, 7,688.58 and 2,004.13 is: 3,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.74 : 7,688.58 = 2,004.13 : x
  2. Step 2: Convert to fraction form
    5,127.74/7,688.58 = 2,004.13/x
  3. Step 3: Cross multiply
    5,127.74x = 7,688.58 × 2,004.13
  4. Step 4: Simplify right side
    5,127.74x = 15,408,915.93
  5. Step 5: Solve for x
    x = 15,408,915.93/5,127.74
  6. Step 6: Final answer
    x = 3,005.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.