Home / 2,087.57-2,875.95-1,456.97

Finding the Fourth Proportional to 2,087.57, 2,875.95 and 1,456.97

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Solution

The fourth proportional to 2,087.57, 2,875.95 and 1,456.97 is: 2,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.57 : 2,875.95 = 1,456.97 : x
  2. Step 2: Convert to fraction form
    2,087.57/2,875.95 = 1,456.97/x
  3. Step 3: Cross multiply
    2,087.57x = 2,875.95 × 1,456.97
  4. Step 4: Simplify right side
    2,087.57x = 4,190,158.49
  5. Step 5: Solve for x
    x = 4,190,158.49/2,087.57
  6. Step 6: Final answer
    x = 2,007.20

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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.