Home / 5,715.95-7,888.99-3,327.31

Finding the Fourth Proportional to 5,715.95, 7,888.99 and 3,327.31

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Solution

The fourth proportional to 5,715.95, 7,888.99 and 3,327.31 is: 4,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.95 : 7,888.99 = 3,327.31 : x
  2. Step 2: Convert to fraction form
    5,715.95/7,888.99 = 3,327.31/x
  3. Step 3: Cross multiply
    5,715.95x = 7,888.99 × 3,327.31
  4. Step 4: Simplify right side
    5,715.95x = 26,249,115.32
  5. Step 5: Solve for x
    x = 26,249,115.32/5,715.95
  6. Step 6: Final answer
    x = 4,592.26

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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.