Home / 5,317.71-7,338.14-2,927.58

Finding the Fourth Proportional to 5,317.71, 7,338.14 and 2,927.58

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Solution

The fourth proportional to 5,317.71, 7,338.14 and 2,927.58 is: 4,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.71 : 7,338.14 = 2,927.58 : x
  2. Step 2: Convert to fraction form
    5,317.71/7,338.14 = 2,927.58/x
  3. Step 3: Cross multiply
    5,317.71x = 7,338.14 × 2,927.58
  4. Step 4: Simplify right side
    5,317.71x = 21,482,988.24
  5. Step 5: Solve for x
    x = 21,482,988.24/5,317.71
  6. Step 6: Final answer
    x = 4,039.90

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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.