Home / 4,782.17-7,170.50-1,857.06

Finding the Fourth Proportional to 4,782.17, 7,170.50 and 1,857.06

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Solution

The fourth proportional to 4,782.17, 7,170.50 and 1,857.06 is: 2,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.17 : 7,170.50 = 1,857.06 : x
  2. Step 2: Convert to fraction form
    4,782.17/7,170.50 = 1,857.06/x
  3. Step 3: Cross multiply
    4,782.17x = 7,170.50 × 1,857.06
  4. Step 4: Simplify right side
    4,782.17x = 13,316,053.37
  5. Step 5: Solve for x
    x = 13,316,053.37/4,782.17
  6. Step 6: Final answer
    x = 2,784.52

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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.