Home / 2,222.15-3,332.36-740.91

Finding the Fourth Proportional to 2,222.15, 3,332.36 and 740.91

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Solution

The fourth proportional to 2,222.15, 3,332.36 and 740.91 is: 1,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.15 : 3,332.36 = 740.91 : x
  2. Step 2: Convert to fraction form
    2,222.15/3,332.36 = 740.91/x
  3. Step 3: Cross multiply
    2,222.15x = 3,332.36 × 740.91
  4. Step 4: Simplify right side
    2,222.15x = 2,468,975.14
  5. Step 5: Solve for x
    x = 2,468,975.14/2,222.15
  6. Step 6: Final answer
    x = 1,111.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.