Home / 2,900.88-4,008.96-2,434.32

Finding the Fourth Proportional to 2,900.88, 4,008.96 and 2,434.32

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Solution

The fourth proportional to 2,900.88, 4,008.96 and 2,434.32 is: 3,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.88 : 4,008.96 = 2,434.32 : x
  2. Step 2: Convert to fraction form
    2,900.88/4,008.96 = 2,434.32/x
  3. Step 3: Cross multiply
    2,900.88x = 4,008.96 × 2,434.32
  4. Step 4: Simplify right side
    2,900.88x = 9,759,091.51
  5. Step 5: Solve for x
    x = 9,759,091.51/2,900.88
  6. Step 6: Final answer
    x = 3,364.18

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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.