Home / 1,635.16-2,255.10-1,301.08

Finding the Fourth Proportional to 1,635.16, 2,255.10 and 1,301.08

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Solution

The fourth proportional to 1,635.16, 2,255.10 and 1,301.08 is: 1,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.16 : 2,255.10 = 1,301.08 : x
  2. Step 2: Convert to fraction form
    1,635.16/2,255.10 = 1,301.08/x
  3. Step 3: Cross multiply
    1,635.16x = 2,255.10 × 1,301.08
  4. Step 4: Simplify right side
    1,635.16x = 2,934,065.51
  5. Step 5: Solve for x
    x = 2,934,065.51/1,635.16
  6. Step 6: Final answer
    x = 1,794.36

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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.