Home / 2,637.48-3,639.38-1,518.14

Finding the Fourth Proportional to 2,637.48, 3,639.38 and 1,518.14

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Solution

The fourth proportional to 2,637.48, 3,639.38 and 1,518.14 is: 2,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.48 : 3,639.38 = 1,518.14 : x
  2. Step 2: Convert to fraction form
    2,637.48/3,639.38 = 1,518.14/x
  3. Step 3: Cross multiply
    2,637.48x = 3,639.38 × 1,518.14
  4. Step 4: Simplify right side
    2,637.48x = 5,525,088.35
  5. Step 5: Solve for x
    x = 5,525,088.35/2,637.48
  6. Step 6: Final answer
    x = 2,094.84

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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.