Home / 7,720.37-10,654.47-4,363.32

Finding the Fourth Proportional to 7,720.37, 10,654.47 and 4,363.32

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Solution

The fourth proportional to 7,720.37, 10,654.47 and 4,363.32 is: 6,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.37 : 10,654.47 = 4,363.32 : x
  2. Step 2: Convert to fraction form
    7,720.37/10,654.47 = 4,363.32/x
  3. Step 3: Cross multiply
    7,720.37x = 10,654.47 × 4,363.32
  4. Step 4: Simplify right side
    7,720.37x = 46,488,862.04
  5. Step 5: Solve for x
    x = 46,488,862.04/7,720.37
  6. Step 6: Final answer
    x = 6,021.59

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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.