Home / 1,587.27-2,190.24-924.33

Finding the Fourth Proportional to 1,587.27, 2,190.24 and 924.33

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Solution

The fourth proportional to 1,587.27, 2,190.24 and 924.33 is: 1,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.27 : 2,190.24 = 924.33 : x
  2. Step 2: Convert to fraction form
    1,587.27/2,190.24 = 924.33/x
  3. Step 3: Cross multiply
    1,587.27x = 2,190.24 × 924.33
  4. Step 4: Simplify right side
    1,587.27x = 2,024,504.54
  5. Step 5: Solve for x
    x = 2,024,504.54/1,587.27
  6. Step 6: Final answer
    x = 1,275.46

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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.