Home / 2,345.02-3,239.43-2,259.77

Finding the Fourth Proportional to 2,345.02, 3,239.43 and 2,259.77

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Solution

The fourth proportional to 2,345.02, 3,239.43 and 2,259.77 is: 3,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.02 : 3,239.43 = 2,259.77 : x
  2. Step 2: Convert to fraction form
    2,345.02/3,239.43 = 2,259.77/x
  3. Step 3: Cross multiply
    2,345.02x = 3,239.43 × 2,259.77
  4. Step 4: Simplify right side
    2,345.02x = 7,320,342.06
  5. Step 5: Solve for x
    x = 7,320,342.06/2,345.02
  6. Step 6: Final answer
    x = 3,121.66

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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.