Home / 7,207.25-9,946.76-4,225.58

Finding the Fourth Proportional to 7,207.25, 9,946.76 and 4,225.58

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Solution

The fourth proportional to 7,207.25, 9,946.76 and 4,225.58 is: 5,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.25 : 9,946.76 = 4,225.58 : x
  2. Step 2: Convert to fraction form
    7,207.25/9,946.76 = 4,225.58/x
  3. Step 3: Cross multiply
    7,207.25x = 9,946.76 × 4,225.58
  4. Step 4: Simplify right side
    7,207.25x = 42,030,759.26
  5. Step 5: Solve for x
    x = 42,030,759.26/7,207.25
  6. Step 6: Final answer
    x = 5,831.74

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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.