Home / 5,631.95-7,772.40-3,242.29

Finding the Fourth Proportional to 5,631.95, 7,772.40 and 3,242.29

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Solution

The fourth proportional to 5,631.95, 7,772.40 and 3,242.29 is: 4,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.95 : 7,772.40 = 3,242.29 : x
  2. Step 2: Convert to fraction form
    5,631.95/7,772.40 = 3,242.29/x
  3. Step 3: Cross multiply
    5,631.95x = 7,772.40 × 3,242.29
  4. Step 4: Simplify right side
    5,631.95x = 25,200,319.72
  5. Step 5: Solve for x
    x = 25,200,319.72/5,631.95
  6. Step 6: Final answer
    x = 4,474.53

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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.