Home / 5,543.02-8,312.10-2,077.84

Finding the Fourth Proportional to 5,543.02, 8,312.10 and 2,077.84

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Solution

The fourth proportional to 5,543.02, 8,312.10 and 2,077.84 is: 3,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.02 : 8,312.10 = 2,077.84 : x
  2. Step 2: Convert to fraction form
    5,543.02/8,312.10 = 2,077.84/x
  3. Step 3: Cross multiply
    5,543.02x = 8,312.10 × 2,077.84
  4. Step 4: Simplify right side
    5,543.02x = 17,271,213.86
  5. Step 5: Solve for x
    x = 17,271,213.86/5,543.02
  6. Step 6: Final answer
    x = 3,115.85

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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.