Home / 5,777.47-8,666.04-1,617.76

Finding the Fourth Proportional to 5,777.47, 8,666.04 and 1,617.76

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Solution

The fourth proportional to 5,777.47, 8,666.04 and 1,617.76 is: 2,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.47 : 8,666.04 = 1,617.76 : x
  2. Step 2: Convert to fraction form
    5,777.47/8,666.04 = 1,617.76/x
  3. Step 3: Cross multiply
    5,777.47x = 8,666.04 × 1,617.76
  4. Step 4: Simplify right side
    5,777.47x = 14,019,529.54
  5. Step 5: Solve for x
    x = 14,019,529.54/5,777.47
  6. Step 6: Final answer
    x = 2,426.59

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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.