Home / 2,402.06-3,312.70-1,617.17

Finding the Fourth Proportional to 2,402.06, 3,312.70 and 1,617.17

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Solution

The fourth proportional to 2,402.06, 3,312.70 and 1,617.17 is: 2,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.06 : 3,312.70 = 1,617.17 : x
  2. Step 2: Convert to fraction form
    2,402.06/3,312.70 = 1,617.17/x
  3. Step 3: Cross multiply
    2,402.06x = 3,312.70 × 1,617.17
  4. Step 4: Simplify right side
    2,402.06x = 5,357,178.45
  5. Step 5: Solve for x
    x = 5,357,178.45/2,402.06
  6. Step 6: Final answer
    x = 2,230.25

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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.