Home / 7,259.10-10,017.38-4,115.30

Finding the Fourth Proportional to 7,259.10, 10,017.38 and 4,115.30

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Solution

The fourth proportional to 7,259.10, 10,017.38 and 4,115.30 is: 5,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.10 : 10,017.38 = 4,115.30 : x
  2. Step 2: Convert to fraction form
    7,259.10/10,017.38 = 4,115.30/x
  3. Step 3: Cross multiply
    7,259.10x = 10,017.38 × 4,115.30
  4. Step 4: Simplify right side
    7,259.10x = 41,224,453.25
  5. Step 5: Solve for x
    x = 41,224,453.25/7,259.10
  6. Step 6: Final answer
    x = 5,679.00

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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.