Home / 5,919.38-8,870.60-4,347.05

Finding the Fourth Proportional to 5,919.38, 8,870.60 and 4,347.05

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Solution

The fourth proportional to 5,919.38, 8,870.60 and 4,347.05 is: 6,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.38 : 8,870.60 = 4,347.05 : x
  2. Step 2: Convert to fraction form
    5,919.38/8,870.60 = 4,347.05/x
  3. Step 3: Cross multiply
    5,919.38x = 8,870.60 × 4,347.05
  4. Step 4: Simplify right side
    5,919.38x = 38,560,908.24
  5. Step 5: Solve for x
    x = 38,560,908.24/5,919.38
  6. Step 6: Final answer
    x = 6,514.35

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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.