Home / 2,293.02-3,164.36-1,245.08

Finding the Fourth Proportional to 2,293.02, 3,164.36 and 1,245.08

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Solution

The fourth proportional to 2,293.02, 3,164.36 and 1,245.08 is: 1,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.02 : 3,164.36 = 1,245.08 : x
  2. Step 2: Convert to fraction form
    2,293.02/3,164.36 = 1,245.08/x
  3. Step 3: Cross multiply
    2,293.02x = 3,164.36 × 1,245.08
  4. Step 4: Simplify right side
    2,293.02x = 3,939,881.35
  5. Step 5: Solve for x
    x = 3,939,881.35/2,293.02
  6. Step 6: Final answer
    x = 1,718.21

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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.