Home / 7,720.22-10,655.44-4,363.08

Finding the Fourth Proportional to 7,720.22, 10,655.44 and 4,363.08

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Solution

The fourth proportional to 7,720.22, 10,655.44 and 4,363.08 is: 6,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.22 : 10,655.44 = 4,363.08 : x
  2. Step 2: Convert to fraction form
    7,720.22/10,655.44 = 4,363.08/x
  3. Step 3: Cross multiply
    7,720.22x = 10,655.44 × 4,363.08
  4. Step 4: Simplify right side
    7,720.22x = 46,490,537.16
  5. Step 5: Solve for x
    x = 46,490,537.16/7,720.22
  6. Step 6: Final answer
    x = 6,021.92

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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.