Home / 5,445.81-8,168.72-4,352.31

Finding the Fourth Proportional to 5,445.81, 8,168.72 and 4,352.31

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Solution

The fourth proportional to 5,445.81, 8,168.72 and 4,352.31 is: 6,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.81 : 8,168.72 = 4,352.31 : x
  2. Step 2: Convert to fraction form
    5,445.81/8,168.72 = 4,352.31/x
  3. Step 3: Cross multiply
    5,445.81x = 8,168.72 × 4,352.31
  4. Step 4: Simplify right side
    5,445.81x = 35,552,779.98
  5. Step 5: Solve for x
    x = 35,552,779.98/5,445.81
  6. Step 6: Final answer
    x = 6,528.47

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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.