Home / 2,355.08-3,242.58-2,074.28

Finding the Fourth Proportional to 2,355.08, 3,242.58 and 2,074.28

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Solution

The fourth proportional to 2,355.08, 3,242.58 and 2,074.28 is: 2,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.08 : 3,242.58 = 2,074.28 : x
  2. Step 2: Convert to fraction form
    2,355.08/3,242.58 = 2,074.28/x
  3. Step 3: Cross multiply
    2,355.08x = 3,242.58 × 2,074.28
  4. Step 4: Simplify right side
    2,355.08x = 6,726,018.84
  5. Step 5: Solve for x
    x = 6,726,018.84/2,355.08
  6. Step 6: Final answer
    x = 2,855.96

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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.