Home / 2,635.02-3,636.30-1,587.14

Finding the Fourth Proportional to 2,635.02, 3,636.30 and 1,587.14

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Solution

The fourth proportional to 2,635.02, 3,636.30 and 1,587.14 is: 2,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.02 : 3,636.30 = 1,587.14 : x
  2. Step 2: Convert to fraction form
    2,635.02/3,636.30 = 1,587.14/x
  3. Step 3: Cross multiply
    2,635.02x = 3,636.30 × 1,587.14
  4. Step 4: Simplify right side
    2,635.02x = 5,771,317.18
  5. Step 5: Solve for x
    x = 5,771,317.18/2,635.02
  6. Step 6: Final answer
    x = 2,190.24

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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.