Home / 5,133.95-7,698.18-2,666.29

Finding the Fourth Proportional to 5,133.95, 7,698.18 and 2,666.29

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Solution

The fourth proportional to 5,133.95, 7,698.18 and 2,666.29 is: 3,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.95 : 7,698.18 = 2,666.29 : x
  2. Step 2: Convert to fraction form
    5,133.95/7,698.18 = 2,666.29/x
  3. Step 3: Cross multiply
    5,133.95x = 7,698.18 × 2,666.29
  4. Step 4: Simplify right side
    5,133.95x = 20,525,580.35
  5. Step 5: Solve for x
    x = 20,525,580.35/5,133.95
  6. Step 6: Final answer
    x = 3,998.01

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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.