Home / 2,549.12-3,517.74-1,430.06

Finding the Fourth Proportional to 2,549.12, 3,517.74 and 1,430.06

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Solution

The fourth proportional to 2,549.12, 3,517.74 and 1,430.06 is: 1,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.12 : 3,517.74 = 1,430.06 : x
  2. Step 2: Convert to fraction form
    2,549.12/3,517.74 = 1,430.06/x
  3. Step 3: Cross multiply
    2,549.12x = 3,517.74 × 1,430.06
  4. Step 4: Simplify right side
    2,549.12x = 5,030,579.26
  5. Step 5: Solve for x
    x = 5,030,579.26/2,549.12
  6. Step 6: Final answer
    x = 1,973.46

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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.