Home / 1,587.68-2,190.27-924.14

Finding the Fourth Proportional to 1,587.68, 2,190.27 and 924.14

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Solution

The fourth proportional to 1,587.68, 2,190.27 and 924.14 is: 1,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.68 : 2,190.27 = 924.14 : x
  2. Step 2: Convert to fraction form
    1,587.68/2,190.27 = 924.14/x
  3. Step 3: Cross multiply
    1,587.68x = 2,190.27 × 924.14
  4. Step 4: Simplify right side
    1,587.68x = 2,024,105.17
  5. Step 5: Solve for x
    x = 2,024,105.17/1,587.68
  6. Step 6: Final answer
    x = 1,274.89

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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.