Home / 2,328.75-3,490.56-2,055.51

Finding the Fourth Proportional to 2,328.75, 3,490.56 and 2,055.51

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Solution

The fourth proportional to 2,328.75, 3,490.56 and 2,055.51 is: 3,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.75 : 3,490.56 = 2,055.51 : x
  2. Step 2: Convert to fraction form
    2,328.75/3,490.56 = 2,055.51/x
  3. Step 3: Cross multiply
    2,328.75x = 3,490.56 × 2,055.51
  4. Step 4: Simplify right side
    2,328.75x = 7,174,880.99
  5. Step 5: Solve for x
    x = 7,174,880.99/2,328.75
  6. Step 6: Final answer
    x = 3,081.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.