Home / 5,133.81-7,700.12-1,436.33

Finding the Fourth Proportional to 5,133.81, 7,700.12 and 1,436.33

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Solution

The fourth proportional to 5,133.81, 7,700.12 and 1,436.33 is: 2,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.81 : 7,700.12 = 1,436.33 : x
  2. Step 2: Convert to fraction form
    5,133.81/7,700.12 = 1,436.33/x
  3. Step 3: Cross multiply
    5,133.81x = 7,700.12 × 1,436.33
  4. Step 4: Simplify right side
    5,133.81x = 11,059,907.46
  5. Step 5: Solve for x
    x = 11,059,907.46/5,133.81
  6. Step 6: Final answer
    x = 2,154.33

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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.