Home / 4,651.51-6,416.70-2,971.15

Finding the Fourth Proportional to 4,651.51, 6,416.70 and 2,971.15

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Solution

The fourth proportional to 4,651.51, 6,416.70 and 2,971.15 is: 4,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.51 : 6,416.70 = 2,971.15 : x
  2. Step 2: Convert to fraction form
    4,651.51/6,416.70 = 2,971.15/x
  3. Step 3: Cross multiply
    4,651.51x = 6,416.70 × 2,971.15
  4. Step 4: Simplify right side
    4,651.51x = 19,064,978.21
  5. Step 5: Solve for x
    x = 19,064,978.21/4,651.51
  6. Step 6: Final answer
    x = 4,098.66

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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.