Home / 5,259.04-7,889.70-1,561.54

Finding the Fourth Proportional to 5,259.04, 7,889.70 and 1,561.54

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Solution

The fourth proportional to 5,259.04, 7,889.70 and 1,561.54 is: 2,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.04 : 7,889.70 = 1,561.54 : x
  2. Step 2: Convert to fraction form
    5,259.04/7,889.70 = 1,561.54/x
  3. Step 3: Cross multiply
    5,259.04x = 7,889.70 × 1,561.54
  4. Step 4: Simplify right side
    5,259.04x = 12,320,082.14
  5. Step 5: Solve for x
    x = 12,320,082.14/5,259.04
  6. Step 6: Final answer
    x = 2,342.65

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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.