Home / 5,051.71-6,970.58-2,813.58

Finding the Fourth Proportional to 5,051.71, 6,970.58 and 2,813.58

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Solution

The fourth proportional to 5,051.71, 6,970.58 and 2,813.58 is: 3,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.71 : 6,970.58 = 2,813.58 : x
  2. Step 2: Convert to fraction form
    5,051.71/6,970.58 = 2,813.58/x
  3. Step 3: Cross multiply
    5,051.71x = 6,970.58 × 2,813.58
  4. Step 4: Simplify right side
    5,051.71x = 19,612,284.48
  5. Step 5: Solve for x
    x = 19,612,284.48/5,051.71
  6. Step 6: Final answer
    x = 3,882.31

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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.