Home / 3,125.07-4,312.44-2,242.35

Finding the Fourth Proportional to 3,125.07, 4,312.44 and 2,242.35

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Solution

The fourth proportional to 3,125.07, 4,312.44 and 2,242.35 is: 3,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.07 : 4,312.44 = 2,242.35 : x
  2. Step 2: Convert to fraction form
    3,125.07/4,312.44 = 2,242.35/x
  3. Step 3: Cross multiply
    3,125.07x = 4,312.44 × 2,242.35
  4. Step 4: Simplify right side
    3,125.07x = 9,669,999.83
  5. Step 5: Solve for x
    x = 9,669,999.83/3,125.07
  6. Step 6: Final answer
    x = 3,094.33

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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.