Home / 7,298.80-10,073.10-4,155.64

Finding the Fourth Proportional to 7,298.80, 10,073.10 and 4,155.64

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Solution

The fourth proportional to 7,298.80, 10,073.10 and 4,155.64 is: 5,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.80 : 10,073.10 = 4,155.64 : x
  2. Step 2: Convert to fraction form
    7,298.80/10,073.10 = 4,155.64/x
  3. Step 3: Cross multiply
    7,298.80x = 10,073.10 × 4,155.64
  4. Step 4: Simplify right side
    7,298.80x = 41,860,177.28
  5. Step 5: Solve for x
    x = 41,860,177.28/7,298.80
  6. Step 6: Final answer
    x = 5,735.21

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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.