Home / 5,557.92-7,670.16-3,074.08

Finding the Fourth Proportional to 5,557.92, 7,670.16 and 3,074.08

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Solution

The fourth proportional to 5,557.92, 7,670.16 and 3,074.08 is: 4,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.92 : 7,670.16 = 3,074.08 : x
  2. Step 2: Convert to fraction form
    5,557.92/7,670.16 = 3,074.08/x
  3. Step 3: Cross multiply
    5,557.92x = 7,670.16 × 3,074.08
  4. Step 4: Simplify right side
    5,557.92x = 23,578,685.45
  5. Step 5: Solve for x
    x = 23,578,685.45/5,557.92
  6. Step 6: Final answer
    x = 4,242.36

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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.