Home / 5,426.10-8,117.55-4,703.70

Finding the Fourth Proportional to 5,426.10, 8,117.55 and 4,703.70

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Solution

The fourth proportional to 5,426.10, 8,117.55 and 4,703.70 is: 7,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.10 : 8,117.55 = 4,703.70 : x
  2. Step 2: Convert to fraction form
    5,426.10/8,117.55 = 4,703.70/x
  3. Step 3: Cross multiply
    5,426.10x = 8,117.55 × 4,703.70
  4. Step 4: Simplify right side
    5,426.10x = 38,182,519.94
  5. Step 5: Solve for x
    x = 38,182,519.94/5,426.10
  6. Step 6: Final answer
    x = 7,036.83

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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.