Home / 7,764.75-10,714.28-4,781.07

Finding the Fourth Proportional to 7,764.75, 10,714.28 and 4,781.07

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Solution

The fourth proportional to 7,764.75, 10,714.28 and 4,781.07 is: 6,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.75 : 10,714.28 = 4,781.07 : x
  2. Step 2: Convert to fraction form
    7,764.75/10,714.28 = 4,781.07/x
  3. Step 3: Cross multiply
    7,764.75x = 10,714.28 × 4,781.07
  4. Step 4: Simplify right side
    7,764.75x = 51,225,698.77
  5. Step 5: Solve for x
    x = 51,225,698.77/7,764.75
  6. Step 6: Final answer
    x = 6,597.21

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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.