Home / 5,445.81-7,519.50-4,184.91

Finding the Fourth Proportional to 5,445.81, 7,519.50 and 4,184.91

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Solution

The fourth proportional to 5,445.81, 7,519.50 and 4,184.91 is: 5,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.81 : 7,519.50 = 4,184.91 : x
  2. Step 2: Convert to fraction form
    5,445.81/7,519.50 = 4,184.91/x
  3. Step 3: Cross multiply
    5,445.81x = 7,519.50 × 4,184.91
  4. Step 4: Simplify right side
    5,445.81x = 31,468,430.75
  5. Step 5: Solve for x
    x = 31,468,430.75/5,445.81
  6. Step 6: Final answer
    x = 5,778.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.