Home / 2,210.27-3,047.02-1,580.57

Finding the Fourth Proportional to 2,210.27, 3,047.02 and 1,580.57

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Solution

The fourth proportional to 2,210.27, 3,047.02 and 1,580.57 is: 2,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.27 : 3,047.02 = 1,580.57 : x
  2. Step 2: Convert to fraction form
    2,210.27/3,047.02 = 1,580.57/x
  3. Step 3: Cross multiply
    2,210.27x = 3,047.02 × 1,580.57
  4. Step 4: Simplify right side
    2,210.27x = 4,816,028.40
  5. Step 5: Solve for x
    x = 4,816,028.40/2,210.27
  6. Step 6: Final answer
    x = 2,178.93

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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.