Home / 2,590.28-3,574.32-1,542.14

Finding the Fourth Proportional to 2,590.28, 3,574.32 and 1,542.14

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Solution

The fourth proportional to 2,590.28, 3,574.32 and 1,542.14 is: 2,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.28 : 3,574.32 = 1,542.14 : x
  2. Step 2: Convert to fraction form
    2,590.28/3,574.32 = 1,542.14/x
  3. Step 3: Cross multiply
    2,590.28x = 3,574.32 × 1,542.14
  4. Step 4: Simplify right side
    2,590.28x = 5,512,101.84
  5. Step 5: Solve for x
    x = 5,512,101.84/2,590.28
  6. Step 6: Final answer
    x = 2,127.99

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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.