Home / 4,065.40-5,605.38-2,492.08

Finding the Fourth Proportional to 4,065.40, 5,605.38 and 2,492.08

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Solution

The fourth proportional to 4,065.40, 5,605.38 and 2,492.08 is: 3,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.40 : 5,605.38 = 2,492.08 : x
  2. Step 2: Convert to fraction form
    4,065.40/5,605.38 = 2,492.08/x
  3. Step 3: Cross multiply
    4,065.40x = 5,605.38 × 2,492.08
  4. Step 4: Simplify right side
    4,065.40x = 13,969,055.39
  5. Step 5: Solve for x
    x = 13,969,055.39/4,065.40
  6. Step 6: Final answer
    x = 3,436.08

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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.