Home / 5,437.52-8,159.36-2,317.20

Finding the Fourth Proportional to 5,437.52, 8,159.36 and 2,317.20

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Solution

The fourth proportional to 5,437.52, 8,159.36 and 2,317.20 is: 3,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.52 : 8,159.36 = 2,317.20 : x
  2. Step 2: Convert to fraction form
    5,437.52/8,159.36 = 2,317.20/x
  3. Step 3: Cross multiply
    5,437.52x = 8,159.36 × 2,317.20
  4. Step 4: Simplify right side
    5,437.52x = 18,906,868.99
  5. Step 5: Solve for x
    x = 18,906,868.99/5,437.52
  6. Step 6: Final answer
    x = 3,477.11

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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.