Home / 5,088.13-7,021.63-2,850.01

Finding the Fourth Proportional to 5,088.13, 7,021.63 and 2,850.01

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Solution

The fourth proportional to 5,088.13, 7,021.63 and 2,850.01 is: 3,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.13 : 7,021.63 = 2,850.01 : x
  2. Step 2: Convert to fraction form
    5,088.13/7,021.63 = 2,850.01/x
  3. Step 3: Cross multiply
    5,088.13x = 7,021.63 × 2,850.01
  4. Step 4: Simplify right side
    5,088.13x = 20,011,715.72
  5. Step 5: Solve for x
    x = 20,011,715.72/5,088.13
  6. Step 6: Final answer
    x = 3,933.02

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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.