Home / 5,726.42-8,590.85-1,777.59

Finding the Fourth Proportional to 5,726.42, 8,590.85 and 1,777.59

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Solution

The fourth proportional to 5,726.42, 8,590.85 and 1,777.59 is: 2,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.42 : 8,590.85 = 1,777.59 : x
  2. Step 2: Convert to fraction form
    5,726.42/8,590.85 = 1,777.59/x
  3. Step 3: Cross multiply
    5,726.42x = 8,590.85 × 1,777.59
  4. Step 4: Simplify right side
    5,726.42x = 15,271,000.16
  5. Step 5: Solve for x
    x = 15,271,000.16/5,726.42
  6. Step 6: Final answer
    x = 2,666.76

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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.