Home / 5,561.29-7,657.09-4,720.24

Finding the Fourth Proportional to 5,561.29, 7,657.09 and 4,720.24

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Solution

The fourth proportional to 5,561.29, 7,657.09 and 4,720.24 is: 6,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.29 : 7,657.09 = 4,720.24 : x
  2. Step 2: Convert to fraction form
    5,561.29/7,657.09 = 4,720.24/x
  3. Step 3: Cross multiply
    5,561.29x = 7,657.09 × 4,720.24
  4. Step 4: Simplify right side
    5,561.29x = 36,143,302.50
  5. Step 5: Solve for x
    x = 36,143,302.50/5,561.29
  6. Step 6: Final answer
    x = 6,499.09

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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.