Home / 3,549.95-5,351.51-3,312.08

Finding the Fourth Proportional to 3,549.95, 5,351.51 and 3,312.08

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Solution

The fourth proportional to 3,549.95, 5,351.51 and 3,312.08 is: 4,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.95 : 5,351.51 = 3,312.08 : x
  2. Step 2: Convert to fraction form
    3,549.95/5,351.51 = 3,312.08/x
  3. Step 3: Cross multiply
    3,549.95x = 5,351.51 × 3,312.08
  4. Step 4: Simplify right side
    3,549.95x = 17,724,629.24
  5. Step 5: Solve for x
    x = 17,724,629.24/3,549.95
  6. Step 6: Final answer
    x = 4,992.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.